Mitsubishi Electric Corporation patent applications on March 27th, 2025
Patent Applications by Mitsubishi Electric Corporation on March 27th, 2025
Mitsubishi Electric Corporation: 32 patent applications
Mitsubishi Electric Corporation has applied for patents in the areas of H01L23/00 (2), H01S5/14 (2), B23Q15/08 (1), B23K26/06 (1), H02K15/12 (1) B23Q15/08 (1), G08G1/22 (1), H04W8/005 (1), H04L1/0072 (1), H04B17/345 (1)
With keywords such as: unit, heat, data, device, information, power, plan, side, image, and semiconductor in patent application abstracts.
Patent Applications by Mitsubishi Electric Corporation
Inventor(s): Yunosuke OMOTO of Tokyo JP for mitsubishi electric corporation, Shinya NISHINO of Tokyo JP for mitsubishi electric corporation
IPC Code(s): B23Q15/08, B23Q5/10
CPC Code(s): B23Q15/08
Abstract: a motor control device that generates, based on acceleration time constant and deceleration time constant, a control signal for a motor driving a drive shaft includes a synchronous operation command extraction unit extracting, from within a machining program, blocks where set-point control is continuously commanded for the drive shafts that synchronize and extracting synchronous operation commands included in the blocks; an operation state computation unit computing, based on acceleration time constant and deceleration time constant, operation time and consumption energy associated with machining performed with the machining program; an optimum parameter computation unit computing, for each synchronous operation command, the acceleration time constant and the deceleration time constant that result in the operation time of the drive shaft being within allowable operation time for operation and the consumption energy being minimum as optimum parameters; and a motor control unit generating the control signal based on the optimum parameters.
20250100142. PATH GENERATION DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Kiyoshi MAEKAWA of Tokyo JP for mitsubishi electric corporation, Satoru MATSUOKA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): B25J9/16
CPC Code(s): B25J9/1664
Abstract: a path generation device includes maximum displacement axis calculation means that calculates a maximum displacement axis among multiple axes, where the maximum displacement axis has a highest ratio of a displacement distance relative to a maximum speed in a motion from a motion start point to a motion end point; initial passing point calculation means that generates passing points to be used when the multiple axes move in synchronization with one another; interference area extraction means that extracts a section including a passing point on which interference with a surrounding object will occur, among multiple passing points generated by the initial passing point calculation means; and non-maximum displacement axis modification means that generates a passing point that leads to avoidance of interference, by modifying a position of a non-maximum displacement axis, which is, among the multiple axes, an axis other than the maximum displacement axis calculated.
Inventor(s): Yoshifumi YAMAGUCHI of Tokyo JP for mitsubishi electric corporation, Daisuke KATAGIRI of Tokyo JP for mitsubishi electric corporation, Shinichiro IDO of Tokyo JP for mitsubishi electric corporation, Hiroyuki YAMADA of Tokyo JP for mitsubishi electric corporation, Nobukazu KOSONE of Tokyo JP for mitsubishi electric corporation
IPC Code(s): F04C29/02
CPC Code(s): F04C29/026
Abstract: a rotary machine includes a rotor having a cylindrical shape and having a main oil feed hole through which lubricating oil passes and that is provided in an axial direction and a slide bearing provided outward in a radial direction with a gap between the rotor and the slide bearing and configured to hold the rotor so that the rotor rotates around an axis. the rotor is provided with a branch oil feed hole through which the gap and the main oil feed hole communicate with each other and through which the lubricating oil passes. a foreign matter separating portion configured to separate foreign matter from the lubricating oil is provided further backward in a direction of rotation of the rotor than the branch oil feed hole.
20250102153. HOT-WATER SUPPLY APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Hiroyuki MORI of Tokyo JP for mitsubishi electric corporation, Hiroshi MAITANI of Tokyo JP for mitsubishi electric corporation, Junichi NAKAZONO of Tokyo JP for mitsubishi electric corporation
IPC Code(s): F24D19/10, F24D17/02
CPC Code(s): F24D19/1054
Abstract: a hot-water supply apparatus is configured to perform a heat storage operation of storing heat of a heat medium and a hot-water supply operation of supplying hot water to a hot-water demand side through use of the heat of the heat medium. the hot-water supply apparatus includes a heat medium circuit through which the heat medium circulates, a latent heat storage device having a latent heat storage material, the latent heat storage device being configured to store heat and reject heat through transfer of heat between the latent heat storage material and the heat medium, a heat medium heat storage device in which the heat medium is stored so that thermal stratification is formed, and a heating device configured to heat the heat medium. the heating device heats at least the heat medium flowing out from a lower portion of the heat medium heat storage device.
20250102155. AIR CONDITIONER_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Kenta KUMAHARA of Tokyo JP for mitsubishi electric corporation, Hidetaka YAMAUCHI of Tokyo JP for mitsubishi electric corporation, Nobuyuki KURIBAYASHI of Tokyo JP for mitsubishi electric corporation
IPC Code(s): F24F1/0047, F24F8/108
CPC Code(s): F24F1/0047
Abstract: an air conditioner which suppresses crazing of an attachment portion for screws in a panel attached to an indoor unit using the screws and suppresses cracking and damage of the panel is provided. the air conditioner includes the indoor unit that suctions air from an air suction port and blows out the suctioned air from an air blowout port through an indoor heat exchanger, the panel that is attached to the indoor unit and has a panel air suction port at a position where at least a portion of the panel overlaps the air suction port, and a lid portion. the panel includes an attachment portion that is provided around the panel air suction port and to which screws for fixing the panel to the indoor unit are attached. the lid portion covers the screws and seals the attachment portion.
20250102205. AIR-CONDITIONING APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Hiroki WASHIYAMA of Tokyo JP for mitsubishi electric corporation, Soshi IKEDA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): F25B41/32, F25B41/40
CPC Code(s): F25B41/32
Abstract: an air-conditioning apparatus includes: a heat medium cycle circuit; and a heat source side refrigerant cycle circuit in which a compressor, a heat source side heat exchanger, an expansion device, and a heat medium heat exchanger are connected by pipes, wherein the heat source side refrigerant cycle circuit has a bypass pipe, a bypass valve, and a merging portion, the heat medium heat exchanger side pipe having one end connected to the heat medium heat exchanger, the compressor side pipe having one end connected to a heat source side refrigerant suction side of the compressor, and the heat medium heat exchanger side pipe in the merging portion is connected to the compressor side pipe and the bypass pipe with a pipe axis thereof being upwardly inclined relative to a horizontal direction or being oriented upward in a vertical direction when viewed from the merging portion.
Inventor(s): Takayuki ONAKA of Tokyo JP for mitsubishi electric corporation, Tetsuhiro FUKAO of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G01R31/28
CPC Code(s): G01R31/2886
Abstract: a device inspection apparatus comprises: a plurality of probe heads; an inspection circuitry to measure inspection value data for each semiconductor device; a storage circuitry to store inspection result data including the inspection value data and a determination result on the semiconductor device; and an analysis circuitry to perform, by statistical processing based on a plurality of the inspection result data present for each inspection item and stored in the storage circuitry, an analysis to determine if there is a significant difference between a plurality of the inspection result data for each of the probe heads, and determines that a probe head concerned is abnormal if there is a significant difference.
Inventor(s): Masayuki OMAKI of Chiyoda-ku, Tokyo JP for mitsubishi electric corporation, Natsuki HONDA of Chiyoda-ku, Tokyo JP for mitsubishi electric corporation, Shota NAKAHARA of Chiyoda-ku, Tokyo JP for mitsubishi electric corporation
IPC Code(s): G01S7/481, G01S17/08, G02B26/10, G02B27/09
CPC Code(s): G01S7/4817
Abstract: a light beam scanning device includes a plurality of light sources, a plurality of beam shapers, a scanning mirror, and a scanning region correction optical member. the plurality of light sources emit a plurality of light beams. each of the plurality of beam shapers includes a first lens and a second lens. a distance between the first lens and the second lens in the beam shaper that shapes the light beam is different from a distance between the first lens and the second lens in the beam shaper that shapes the light beam.
Inventor(s): Tetsuro FURUTA of Tokyo JP for mitsubishi electric corporation, Satoshi KAGEME of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G01S13/89, G01S13/58, G01S13/931
CPC Code(s): G01S13/89
Abstract: a signal processing device is configured to include a map generating unit to acquire a reception signal of a reflected wave from a reception unit that receives the reflected wave by an object present around a mobile object, and generate a range doppler map indicating a signal strength level of the reception signal, and an altitude standard deviation calculating unit to calculate a standard deviation of an altitude at which the object is present on a basis of the range doppler map generated by the map generating unit. further, the signal processing device includes a collision determining unit to determine whether or not the object is present at a height at which there is a possibility of collision between the mobile object and the object on the basis of the standard deviation calculated by the altitude standard deviation calculating unit.
Inventor(s): Sho KANEKO of Tokyo JP for mitsubishi electric corporation, Yuki HIKAWA of Tokyo JP for mitsubishi electric corporation, Masaki FUJITA of Tokyo JP for mitsubishi electric corporation, Yoshitaka IMOTO of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06F8/77
CPC Code(s): G06F8/77
Abstract: the object is to provide a technique for enabling one to appropriately draw up a guideline for a development project. an architecture lifetime estimation apparatus includes: an age calculator to calculate a diagnosed age of a source code based on software quality data values; a data accumulation unit to accumulate the diagnosed age for each of revisions of the source code; a development trend approximate expression calculator to calculate a development trend approximate expression based on the diagnosed age accumulated by the data accumulation unit for each of the revisions; and a lifetime estimation unit to estimate a lifetime of the source code based on the development trend approximate expression.
20250103349. INFORMATION PROCESSING APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Ryota KITAGAWA of Tokyo JP for mitsubishi electric corporation, Katsuhisa OGASAWARA of Tokyo JP for mitsubishi electric corporation, Daisuke KAWAKAMI of Tokyo JP for mitsubishi electric corporation, Haruhiko TAKEYAMA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06F9/445
CPC Code(s): G06F9/445
Abstract: the present disclosure has an object to provide an information processing apparatus that can reduce jitter due to an operating system, depending on a state of execution of an application, without provision of dedicated hardware. an information processing apparatus according to the present disclosure includes a computation apparatus including a plurality of processor cores, and an operating system. the operating system includes an os jitter statistical information acquisition unit configured to acquire os jitter statistical information of the operating system, an os jitter statistical information table defining an os jitter level associated with the os jitter statistical information, an input value acquisition unit configured to acquire an input value of an application, a computational load table defining a computational load level associated with the input value, and a bare metal necessity determination unit configured to determine whether or not a processing block needs to be executed in a bare metal environment in which the operating system is not executed, based on the os jitter level and the computational load level.
Inventor(s): Tetsuo YANO of Tokyo JP for mitsubishi electric corporation, Shin NAKAMURA of Tokyo JP for mitsubishi electric corporation, Koki MURANO of Tokyo JP for mitsubishi electric corporation, Yuki YAMANOUCHI of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06F11/362, G05B19/05
CPC Code(s): G06F11/362
Abstract: an input-output data collector collects, from a programmable logic controller, input-output data representing a log for a device in a program predetermined as a logging target program of one or more programs executable by the programmable logic controller. an input-output data generator generates, when a debugging target program is determined not to be included in the predetermined program, input-output data representing a log for a device in the debugging target program by executing a simulation program simulating an operation of the programmable logic controller.
20250103763. SIMULATION APPARATUS_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Shu ICHIKAWA of Tokyo JP for mitsubishi electric corporation, Michiyasu HIRAMATSU of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06F30/17
CPC Code(s): G06F30/17
Abstract: the present disclosure relates to a simulation apparatus and includes: a coupled simulation unit that performs coupled simulation to combine a plurality of micro-models each being a simulation model for a limited element; a macro-model learning unit that learns, from a result of the coupled simulation performed by the coupled simulation unit, a correspondence between an input and an output in overall simulation to simulate an entire simulation target and generates a macro-model to infer an output after a period of time has elapsed for an input; and an overall simulation performing unit that performs the overall simulation using the macro-model generated by the macro-model learning unit.
Inventor(s): Jia QU of Tokyo JP for mitsubishi electric corporation, Shotaro MIWA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06N5/045
CPC Code(s): G06N5/045
Abstract: an information processing device includes an attention mechanism unit that uses an attention-mechanism learning model to calculate a context variable by weighting a plurality of input data items organized as a time-series or a plurality of variables calculated from the input data items with a plurality of weight values and adding the weighted input data items or the weighted variables; a decision unit that infers a single decision from a plurality of decisions on a basis of confidence levels of the plurality of decisions calculated from the context variable, and a latest input data item included in the plurality of input data items or a latest variable included in the plurality of variables; and a data extracting unit that extracts at least one input data item that is a factor in the inference, from the plurality of input data items by referring to the plurality of weight values.
Inventor(s): Shuhei KAWAGUCHI of Tokyo JP for mitsubishi electric corporation, Takaomi SATO of Tokyo JP for mitsubishi electric corporation, Kotone SENJU of Tokyo JP for mitsubishi electric corporation, Mio MOTODANI of Tokyo JP for mitsubishi electric corporation, Junya UJIIE of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06Q50/06, G06Q10/0631
CPC Code(s): G06Q50/06
Abstract: an information processing system () determines whether correction is required for a production plan of a production facility () that performs production by receiving electric power supply from a power generation facility () in which an amount of power generation fluctuates in accordance with a state transition of an external environment. also, when correction of the production plan is required, the information processing system () generates a proposal for correction of the production plan; generates a power accumulation plan, an electrical discharge plan, and an acquisition plan based on the generated proposal for correction of the production plan and a power generation plan of the power generation facility () based on a prediction of the state transition of the external environment, the power accumulation plan being a plan about power accumulation of an excess amount of electric power when the amount of power generation exceeds a demanded amount of electric power, the electrical discharge plan being a plan about electrical discharge of the accumulated excess amount of electric power to the production facility (), and the acquisition plan being a plan about acquisition of a shortfall of the amount of electric power from a power supply facility other than the power generation facility () when a total amount of electric power of the amount of power generation and the accumulated amount of electric power is insufficient for the demanded amount of electric power; and determines whether the production plan is corrected by following the proposal for correction of the production plan based on the power accumulation plan, the electrical discharge plan, and the acquisition plan.
Inventor(s): Kenya NAKAI of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06T7/00, H04N23/60
CPC Code(s): G06T7/0002
Abstract: an image capturing system includes an image capturing unit and a processing unit. the image capturing unit includes a first optical adjustment unit to make adjustment of at least one of a focal position and a depth of field of the image capturing unit. the processing unit divides an image capturing visual field of the image capturing unit into a plurality of image capturing regions based on distance information, acquires a plurality of image capturing region images as the background images of the plurality of image capturing regions by having the first optical adjustment unit make the adjustment and having the image capturing unit perform the image capturing of the background surface, and executes the process of detecting the condition of the fluid based on the plurality of image capturing region images.
Inventor(s): Takeru SHIRAGA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G06T11/00, G06T3/40, G06T7/11, G06T7/194, G06T7/73
CPC Code(s): G06T11/00
Abstract: an information processing device includes an acquisition unit that acquires a foreground image associated with an angle � and indicating a target object, a background image, point cloud data, and a camera position when the background image was generated, a superimposition position determination unit that determines a superimposition position in the background image, a calculation unit that calculates a plane as a region including the superimposition position by using the point cloud data and calculates an angle �as an angle between a straight line connecting the camera position and the superimposition position and the calculated plane, and a superimposition unit that superimposes the foreground image on the background image. the angle � is an angle between a plane on which the target object was set and a straight line representing an image capturing direction, and is an angle equal to or close to the angle �.
Inventor(s): Misato WATANABE of Tokyo JP for mitsubishi electric corporation, Miki ARAI of Tokyo JP for mitsubishi electric corporation, Takayasu HASHIMOTO of Tokyo JP for mitsubishi electric corporation, Yuri KUBOTA of Tokyo JP for mitsubishi electric corporation, Dongsuk PARK of Tokyo JP for mitsubishi electric corporation
IPC Code(s): G08G1/00, B60W50/14
CPC Code(s): G08G1/22
Abstract: an information processing device that controls coupling between mobile bodies includes processing circuitry configured to: acquire mobile body position information of the mobile bodies and occupant detection information of states of occupants in the mobile bodies; determine communication target occupants from among the occupants in each of the mobile bodies on a basis of the occupant detection information; prepare a movement plan in which the mobile bodies are coupled at a passenger position where the communication target occupants face each other or face diagonally; and couple the mobile bodies by outputting mobile body control information for moving the mobile bodies in accordance with the movement plan to the mobile bodies.
20250104744. SEMICONDUCTOR MODULE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Nobuo HASHIMOTO of Fukuoka-Shi JP for mitsubishi electric corporation, Wataru HAYASHI of Fukuoka-Shi JP for mitsubishi electric corporation
IPC Code(s): G11C7/10, G11C7/22
CPC Code(s): G11C7/1036
Abstract: a semiconductor module according to the present disclosure comprises complementarily operating first and second switching elements, a high potential side drive circuit including a first driver capable of adjusting an output to a first gate, and a low potential side drive circuit including a second driver capable of adjusting an output to a second gate. the high potential side drive circuit includes a first level shift unit to provide an output to the first driver, a shift register, a low voltage side set value holding unit, a write signal generation unit, a second level shift unit to level-shift information held in the low voltage side set value holding unit to a high potential in response to a write signal, a high voltage side set value holding unit, and a decoder to render the first driver's current outputting capability according to recording of the high voltage side set value holding unit.
Inventor(s): Katsuya JINNO of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H01C7/12, H01C7/10, H01C7/112, H01C7/118, H01C17/065
CPC Code(s): H01C7/12
Abstract: a nonlinear-resistance resin material includes: a plurality of first particles having nonlinear resistance characteristics that exhibit insulation properties when a voltage lower than a threshold value is applied and exhibit conductivity when a voltage equal to or higher than the threshold value is applied; a first resin phase containing second particles that are semiconducting or conducting, and covering at least partially surfaces of some or all of the plurality of first particles; and a second resin phase having insulation properties, and filling voids where none of the first particles and the first resin phase exists. the first particles adjacent to each other are bound and electrically connected to each other via the first resin phase.
Inventor(s): Chikara INADA of Chiyoda-ku JP for mitsubishi electric corporation, Erubi SUZUKI of Fukuoka-shi JP for mitsubishi electric corporation, Yukimasa HIGASHI of Chiyoda-ku, Tokyo JP for mitsubishi electric corporation
IPC Code(s): H01L23/00, H01L23/544, H01L29/16
CPC Code(s): H01L24/05
Abstract: a semiconductor chip includes a semiconductor substrate including a first surface and having a semiconductor element formed on the semiconductor substrate, and a plurality of pads electrically connected to the semiconductor element and arranged on the first surface with a space interposed between each other. the plurality of pads include a first control pad and a second control pad. in a plan view, the second control pad includes a dissimilar shape portion dissimilar in outer shape in comparison with the first control pad.
Inventor(s): Tatsuto NISHIHARA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H01L23/00, H05K1/18
CPC Code(s): H01L24/32
Abstract: a semiconductor device according to the disclosure includes a circuit substrate that includes a first conductor layer and an insulating layer laminated on the first conductor layer, an opening being formed in a top face of the circuit substrate such that the first conductor layer becomes a bottom face of the opening, a sintered material filling the opening, and a semiconductor chip provided over the sintered material and electrically connected to the first conductor layer via the sintered material, wherein a width of the opening is larger than a width of the semiconductor chip.
20250105590. MULTIMODE LASER_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Nobuo OHATA of Tokyo JP for mitsubishi electric corporation, Nobuhiko NISHIYAMA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H01S5/14, H01S5/00, H01S5/065, H01S5/10
CPC Code(s): H01S5/14
Abstract: a multimode laser includes a semiconductor amplifier, a laser resonator constituted between a loop mirror including a waveguide formed on a semiconductor substrate and the semiconductor amplifier, in which a characteristic shape of reflectance of the loop mirror is a convex shape in an oscillation wavelength range.
Inventor(s): Masato KAWASAKI of Tokyo JP for mitsubishi electric corporation, Hiroshi KIKUCHI of Tokyo JP for mitsubishi electric corporation, Tomotaka KATSURA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H01S5/14, B23K26/06, G02B27/30, H01S5/40
CPC Code(s): H01S5/143
Abstract: a laser apparatus includes: a first laser device that forms a first beam group; a second laser device that forms a second beam group; an output mirror that constitutes an end of an external resonator; a converging optical system that allows non-parallel incidence of the first and second beam groups on the converging optical system; a diffraction grating disposed at an intersection at which at least a part of the first and second beam groups is superimposed, and having a diffraction effect in a plane perpendicular to a third direction that is a direction perpendicular to first and second directions; and a collimating optical system disposed between the diffraction grating and the output mirror, and collimating the first and second beam groups such that the first and second beam groups are incident perpendicularly on the output mirror while being spatially separated from each other.
20250105686. PERMANENT MAGNET ROTOR_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Junji OKADA of Tokyo JP for mitsubishi electric corporation, Takuya NAKAMURA of Tokyo JP for mitsubishi electric corporation, Motoaki NISHIBU of Tokyo JP for mitsubishi electric corporation, Yuichiro OHASHI of Tokyo JP for mitsubishi electric corporation, Akiko TATEBE of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H02K1/2733, H02K15/03, H02K15/12
CPC Code(s): H02K1/2733
Abstract: a permanent magnet rotor includes a rotation axis, an inner peripheral magnet that is a cylindrical bonded magnet including a plurality of recesses on an outer peripheral side and holding the rotation axis, and an outer peripheral magnet that is a cylindrical bonded magnet provided on the outer periphery side of the inner peripheral magnet. the outer peripheral magnet includes a plurality of projections that projects toward an inner peripheral side and is fitted into the plurality of recesses of the inner peripheral magnet.
Inventor(s): Kodai OKAZAKI of Tokyo JP for mitsubishi electric corporation, Kan AKATSU of Yokohama-shi, Kanagawa JP for mitsubishi electric corporation
IPC Code(s): H02K15/165, G01R31/34, H02K21/14
CPC Code(s): H02K15/165
Abstract: a magnetic gap length estimating device of the present application includes a voltage acquisition circuitry to acquire a line-to-line induced voltage induced in connection lines between an inverter and an electric rotating machine with a plurality of groups and phases, an estimation information creation circuitry to create estimation information for estimating a magnetic gap length from the waveform of the line-to-line induced voltage when the electric rotating machine is rotated in an unloaded state, and an instantaneous gap length estimation circuitry to estimate an instantaneous magnetic gap length from an instantaneous value of the line-to-line induced voltage and the estimation information.
20250105739. POWER CONVERSION DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Ryoji TSURUTA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H02M3/158, H02M1/14
CPC Code(s): H02M3/158
Abstract: a power conversion device includes a dc/dc converter which transforms dc voltage inputted from a first dc circuit, in accordance with a voltage command, and outputs resultant voltage to a second dc circuit; and a controlling circuitry which controls switching of semiconductor switching elements through comparison between a carrier wave and a modulation wave as the voltage command. the controlling circuitry adjusts, in accordance with the modulation wave value, a first period for increasing the modulation wave value so that the modulation wave exceeds the carrier wave, so as to ensure both of a first cycle t1 in which the semiconductor switching elements do not perform switching over one cycle of the carrier wave and a second cycle t2 in which the semiconductor switching elements perform switching at any timing in one cycle of the carrier wave.
20250105837. SEMICONDUCTOR DEVICE_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Sho TANAKA of Tokyo JP for mitsubishi electric corporation, Tatsuo HARADA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H03K17/16, H01L29/06, H01L29/08, H01L29/739
CPC Code(s): H03K17/168
Abstract: an object is to provide a technique that can reduce energy loss during the transient on-period. a semiconductor device includes a first transistor, a second transistor, and a controller. the controller is configured to, before the first transistor enters a transient off-state, apply a second off-voltage lower than a first off-voltage to the second gate, before the first transistor enters a transient on-state, turn on the second transistor, and after the first transistor is turned on, apply the first off-voltage to the second gate to turn off the second transistor.
Inventor(s): Viet Hoa NGUYEN of RENNES Cedex 7 FR for mitsubishi electric corporation, Nicolas GRESSET of RENNES Cedex 7 FR for mitsubishi electric corporation
IPC Code(s): H04B17/345, H04B17/354
CPC Code(s): H04B17/345
Abstract: the disclosure relates to characterizing radiofrequency interference caused by a plurality of sources. at least one observing device is used for scanning successively a plurality of radiofrequency bands for performing interference measurements in the plurality of radiofrequency bands, in different space locations, and at different time instants, and provides observations at successive time instants of a current position of the observing device, and a received interference power in an observed frequency band. for each interference source and each observation, a likelihood probability to attribute one observation to one interference source is computed. this likelihood probability computations are used for assigning each of said observations to one interference source. more particularly, the likelihood probability computing is based on both frequency observation and interference power observation.
20250105945. COMMUNICATION SYSTEM_simplified_abstract_(mitsubishi electric corporation)
Inventor(s): Tadahiro SHIMODA of Tokyo JP for mitsubishi electric corporation, Mitsuru MOCHIZUKI of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H04L1/00
CPC Code(s): H04L1/0072
Abstract: a communication system includes: a communication terminal capable of encoding data by using an encoding model that encodes and outputs data that has been input; and a base station including a central unit and one or more distributed units, the distributed units decoding data encoded with the encoding model by using a decoding model that, when encoded data is input, decodes and outputs the data, and the central unit or the distributed units perform machine learning by using learning data including data transmitted by the communication terminal without performing encoding to generate the encoding model and the decoding model, and notify the communication terminal of a learning result of the encoding model.
Inventor(s): Naofumi IWAYAMA of Tokyo JP for mitsubishi electric corporation, Mitsuru MOCHIZUKI of Tokyo JP for mitsubishi electric corporation, Tadahiro SHIMODA of Tokyo JP for mitsubishi electric corporation, Fumiki HASEGAWA of Tokyo JP for mitsubishi electric corporation, Shinya MAKINO of Tokyo JP for mitsubishi electric corporation, Nobuhiko ANDO of Tokyo JP for mitsubishi electric corporation, Tatsuya TOKUDA of Tokyo JP for mitsubishi electric corporation, Masayuki NAKAZAWA of Tokyo JP for mitsubishi electric corporation, Masuo ITO of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H04W8/00, H04W40/38, H04W92/18
CPC Code(s): H04W8/005
Abstract: a u2n relay () transmits a first sidelink discovery message containing base-station identification information of a base station () when the u2n relay () is in communication range with the base station (). when a u2u relay () is in communication range with the u2n relay () and not in communication range with the base station (), the u2u relay () receives the first sidelink discovery message and transmits a second sidelink discovery message containing mobile-terminal-device identification information of the u2n relay () and base-station identification the information. when a remote ue () is in communication range with the u2u relay () and no in communication range with the base station () and the u2n relay (), the remote ue () receives the second sidelink discovery message and establishes communication path to communicate with the base station () via the u2u relay () and the u2n relay ().
Inventor(s): Taiki TAGUCHI of Tokyo JP for mitsubishi electric corporation, Mitsuru MOCHIZUKI of Tokyo JP for mitsubishi electric corporation, Kuniyuki SUZUKI of Tokyo JP for mitsubishi electric corporation, Haruka NOZAWA of Tokyo JP for mitsubishi electric corporation
IPC Code(s): H04W72/04, H04W16/32, H04W36/00, H04W36/02, H04W84/04
CPC Code(s): H04W72/04
Abstract: in a communication system according to the present invention, a ue and an men perform both a direct communication and a communication through a senb. along with moving of the ue, a handover process of switching the menb to which the ue is connected, from an s-menb to a t-menb is performed. the connection between the ue and the senb is maintained during the handover process. the ue starts transmitting data to the senb before a communication path between the ue and the menb is changed from a path formed by the s-menb and the ue to a path formed by the t-menb and the ue.
Mitsubishi Electric Corporation patent applications on March 27th, 2025
- Mitsubishi Electric Corporation
- B23Q15/08
- B23Q5/10
- CPC B23Q15/08
- Mitsubishi electric corporation
- B25J9/16
- CPC B25J9/1664
- F04C29/02
- CPC F04C29/026
- F24D19/10
- F24D17/02
- CPC F24D19/1054
- F24F1/0047
- F24F8/108
- CPC F24F1/0047
- F25B41/32
- F25B41/40
- CPC F25B41/32
- G01R31/28
- CPC G01R31/2886
- G01S7/481
- G01S17/08
- G02B26/10
- G02B27/09
- CPC G01S7/4817
- G01S13/89
- G01S13/58
- G01S13/931
- CPC G01S13/89
- G06F8/77
- CPC G06F8/77
- G06F9/445
- CPC G06F9/445
- G06F11/362
- G05B19/05
- CPC G06F11/362
- G06F30/17
- CPC G06F30/17
- G06N5/045
- CPC G06N5/045
- G06Q50/06
- G06Q10/0631
- CPC G06Q50/06
- G06T7/00
- H04N23/60
- CPC G06T7/0002
- G06T11/00
- G06T3/40
- G06T7/11
- G06T7/194
- G06T7/73
- CPC G06T11/00
- G08G1/00
- B60W50/14
- CPC G08G1/22
- G11C7/10
- G11C7/22
- CPC G11C7/1036
- H01C7/12
- H01C7/10
- H01C7/112
- H01C7/118
- H01C17/065
- CPC H01C7/12
- H01L23/00
- H01L23/544
- H01L29/16
- CPC H01L24/05
- H05K1/18
- CPC H01L24/32
- H01S5/14
- H01S5/00
- H01S5/065
- H01S5/10
- CPC H01S5/14
- B23K26/06
- G02B27/30
- H01S5/40
- CPC H01S5/143
- H02K1/2733
- H02K15/03
- H02K15/12
- CPC H02K1/2733
- H02K15/165
- G01R31/34
- H02K21/14
- CPC H02K15/165
- H02M3/158
- H02M1/14
- CPC H02M3/158
- H03K17/16
- H01L29/06
- H01L29/08
- H01L29/739
- CPC H03K17/168
- H04B17/345
- H04B17/354
- CPC H04B17/345
- H04L1/00
- CPC H04L1/0072
- H04W8/00
- H04W40/38
- H04W92/18
- CPC H04W8/005
- H04W72/04
- H04W16/32
- H04W36/00
- H04W36/02
- H04W84/04
- CPC H04W72/04