NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on April 10th, 2025
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION on April 10th, 2025
NIPPON TELEGRAPH AND TELEPHONE CORPORATION: 18 patent applications
NIPPON TELEGRAPH AND TELEPHONE CORPORATION has applied for patents in the areas of G06F8/30 (1), H04J14/02 (1), H04N25/13 (1), H04W72/12 (1), H04B17/373 (1) G06F8/30 (1), H04L7/0016 (1), H04W72/12 (1), H04W24/10 (1), H04W16/18 (1)
With keywords such as: information, unit, device, station, value, communication, signal, time, configured, and line in patent application abstracts.
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor(s): Daisuke YAMAGUCHI of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): G06F8/30
CPC Code(s): G06F8/30
Abstract: a computer executes an input procedure of inputting a patch including an operator not defined in smpl and having a variable name id for which a default value is specified, a type t of id, and an id default value t as arguments, and a description using smpl, and a rewrite target program, and a generation procedure of generating a patch indicating, by using smpl, that a variable declaration statement for substituting a computation result of t into the t-type variable id is added to the rewrite target program when the t-type variable is not defined in the rewrite target program, and generating a patch in which id in the description is replaced with the variable when the t-type variable is defined in the rewrite target program, thereby improving efficiency related to rewriting of a program.
Inventor(s): Fumihiro YOKOSE of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Kimio TSUCHIKAWA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Taisuke WAKASUGI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Yuki URABE of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Ryo UCHIDA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Haruo OISHI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): G06Q10/0633
CPC Code(s): G06Q10/0633
Abstract: in a case where an input of an operation log indicating a series of operations to a computer is received, an operation log processing device detects an operation log of a rework operation that is an operation log to the same operation position from operation logs. thereafter, the operation log processing device displays the detected operation log of the rework operation among the operation logs indicating the series of operations to distinguish the detected operation log from other operation logs or removes the operation log of the rework operation, and creates information visualizing a process of the series of operations. in addition, the operation log processing device outputs the created information.
Inventor(s): Xiaoxi ZHANG of Tokyo JP for nippon telegraph and telephone corporation, Masahiro SOTOMA of Tokyo JP for nippon telegraph and telephone corporation, Machiko SHINOZUKA of Tokyo JP for nippon telegraph and telephone corporation, Midori KAWADA of Tokyo JP for nippon telegraph and telephone corporation, Minako HARA of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): G06Q10/0637, G06F40/205
CPC Code(s): G06Q10/0637
Abstract: an information generation apparatus includes an associated information acquisition unit configured to acquire information associated with a selected field; a subject matter extraction unit configured to extract a subject matter from the acquired information; and a time series information generation unit configured to generate time series information relating to the extracted subject matter.
Inventor(s): Yukitaka TSUCHIYA of Tokyo JP for nippon telegraph and telephone corporation, Atsushi NAKADAIRA of Tokyo JP for nippon telegraph and telephone corporation, Shigenori OHASHI of Tokyo JP for nippon telegraph and telephone corporation, Keita SUZUKI of Tokyo JP for nippon telegraph and telephone corporation, Honoka TODA of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): G06Q30/0601, G06Q30/0202, G06Q30/0282
CPC Code(s): G06Q30/0609
Abstract: the present invention provides a computation device or the like that computes an index (hereinafter also referred to as “importance level”) used to control display of information of a web page browsed when a purchaser considers product purchase in an online transaction. the computation device includes an importance level computation unit that computes an importance level that is an index indicating how much importance a user who intends to purchase a product places on human information and thing information by using an operation log of a web page and human thing information, in which the human information is information regarding a user who sells a product, and the thing information is information regarding a product, and the human thing information is information indicating whether each piece of content on the web page is the human information or the thing information.
Inventor(s): Ryota IMADA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Taiji SAKAMOTO of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Shinichi AOZASA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Kazuhide NAKAJIMA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H01S3/067, H01S3/10, H01S3/16
CPC Code(s): H01S3/06716
Abstract: an optical amplifier of the present disclosure includes a rare-earth doped fiber including a plurality of cores, in which a v value of the plurality of cores of the rare-earth doped fiber is less than 2.405, the plurality of cores has a core pitch of a normalized coupling coefficient of 1.0�10or more, and on injection of excitation light into a clad part of the rare-earth doped fiber in a state of being bent at a predetermined bending radius, propagating light in the rare-earth doped fiber is amplified with mode-dependent gain characteristics dependent on the bending radius.
Inventor(s): Tsutomu Takeya of Tokyo JP for nippon telegraph and telephone corporation, Munehiko Nagatani of Tokyo JP for nippon telegraph and telephone corporation, Teruo Jo of Tokyo JP for nippon telegraph and telephone corporation, Hitoshi Wakita of Tokyo JP for nippon telegraph and telephone corporation, Hiroyuki Takahashi of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H03K5/01, H03K5/00, H03K17/56
CPC Code(s): H03K5/01
Abstract: a phase adjustment circuit includes a clock generation unit () which generates a sinusoidal differential clock signal; a variable amplifier () which receives a differential clock signal output from the clock generation unit () as an input, outputs an amplitude-adjusted differential clock signal, and simultaneously outputs an amplitude-adjusted in-phase signal; an adding unit () which adds an in-phase signal to each of a positive phase side and a negative phase side of the differential clock signal output from the variable amplifier (); a differential transmission line () which transmits the differential signal output from the adding unit (); and a terminal circuit () which terminates the differential transmission line ().
Inventor(s): Takuto ARAI of Musashino-shi JP for nippon telegraph and telephone corporation, Daisei UCHIDA of Musashino-shi JP for nippon telegraph and telephone corporation, Tatsuhiko IWAKUNI of Musashino-shi JP for nippon telegraph and telephone corporation, Shuki WAI of Musashino-shi JP for nippon telegraph and telephone corporation
IPC Code(s): H04B7/06, H04W16/28
CPC Code(s): H04B7/0617
Abstract: according to embodiment of the present invention, a communication equipment includes an acquirer configured to acquire obstruction information including a distance from a radiator radiating a beam to an obstruction obstructing the beam; a derivator configured to derive a beam width of the beam radiated from the radiator in accordance with the distance to the obstruction acquired by the acquirer; and a beam controller configured to control the radiator such that the beam is radiated with the beam width derived by the derivator.
Inventor(s): Riku OMIYA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Tomoaki OGAWA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Yasushi TAKATORI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04B7/155
CPC Code(s): H04B7/15528
Abstract: a relay device controller includes a reception station communication quality collection unit that collects information on communication quality of the reception station, a learning unit that acquires information collected by the reception station communication quality collection unit and calculates a control parameter of the relay device by reinforcement learning using a value based on the communication quality of the reception station as a reward, and a relay device control unit that controls the relay device with the control parameter calculated by the learning unit.
Inventor(s): Noriyuki Sato of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Takayuki FURUYA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04J3/14
CPC Code(s): H04J3/14
Abstract: a subscriber line accommodation device () includes a mounting unit () capable of mounting a plurality of line termination units (). the mounting unit () includes a communication line for the plurality of line termination units () to communicate a test signal with a time difference by a time division multiplex transmission method, and a timing line (sck) for causing the plurality of line termination units () to receive a communication timing of the test signal in the time division multiplex transmission method, and the test signal is communicated with at least one line termination unit () connected to the same communication line to test normality of the same communication line, and the communication timing is received by at least one line termination unit () connected to the same timing line (sck) to test normality of the same timing line (sck).
Inventor(s): Kota ITO of Musashino-shi JP for nippon telegraph and telephone corporation, Yuta TAKAHASHI of Musashino-shi JP for nippon telegraph and telephone corporation, Mizuki SUGA of Musashino-shi JP for nippon telegraph and telephone corporation, Takuto ARAI of Musashino-shi JP for nippon telegraph and telephone corporation, Yushi SHIRATO of Musashino-shi JP for nippon telegraph and telephone corporation, Daisei UCHIDA of Musashino-shi JP for nippon telegraph and telephone corporation, Hideki TOSHINAGA of Musashino-shi JP for nippon telegraph and telephone corporation, Naoki KITA of Musashino-shi JP for nippon telegraph and telephone corporation, Yoshihisa KISHIYAMA of Tokyo JP for nippon telegraph and telephone corporation, Satoshi SUYAMA of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04J14/02
CPC Code(s): H04J14/0227
Abstract: provided is an optical communication system having an aggregate station at a head and a plurality of extension stations connected in series. each of the plurality of extension stations demultiplexes a signal received from upstream-side equipment into a first demultiplexed signal having a locally allocated wavelength and a second demultiplexed signal having another wavelength and transmits the second demultiplexed signal to downstream-side equipment. each of the plurality of extension stations multiplexes a signal received from the downstream-side equipment and a locally processed signal and transmits a multiplexing result to the upstream-side equipment.
Inventor(s): Takashi NAKANISHI of Tokyo JP for nippon telegraph and telephone corporation, Go YAZAWA of Tokyo JP for nippon telegraph and telephone corporation, Keisuke YAMAGATA of Tokyo JP for nippon telegraph and telephone corporation, Shinichi YOSHIHARA of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04L7/00
CPC Code(s): H04L7/0016
Abstract: a time synchronization device () according to the present disclosure includes: a selection unit () that selects one master device () that performs time synchronization from among a plurality of master devices (); a correction value calculation unit () that calculates a time correction value for correcting an internal time such that the one master device () and the time synchronization device synchronize with each other; a correction value storage unit () that stores a previous time correction value used for correcting the internal time; and a correction value adjustment unit () that, in a case where the one master device () is switched, adjusts a time correction value calculated for a switching destination master device () on the basis of the stored time correction value and corrects the internal time on the basis of the adjusted time correction value.
Inventor(s): Keita KURIYAMA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Hayato FUKUZONO of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Toshifumi MIYAGI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Takeshi ONIZAWA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04L27/00, H04L27/34, H04W52/26
CPC Code(s): H04L27/0008
Abstract: a wireless transmission device and a wireless receiver that support at least two multi-level modulation schemes are used. the multi-level modulation scheme includes a first modulation scheme (qam) and a second modulation scheme (apsk) having a shorter minimum euclidean distance on the constellation and a lower papr than the first modulation scheme. a power amplifier has a function of changing transmission power. a transmission power control unit determines transmission power, and the power amplifier changes the transmission power. a modulation scheme selection unit compares the transmission power with a threshold value set on the basis of a boundary point at which a linear region and a nonlinear region of the power amplifier are switched, selects the qam when the transmission power is not greater than the threshold value, and selects the apsk when the transmission power is greater than the threshold value.
Inventor(s): Chikako TAKASAKI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Tomohiro KORIKAWA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Masafumi SHIMIZU of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Naoki TAKAYA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04L41/14, H04L41/16
CPC Code(s): H04L41/145
Abstract: a device estimation system () includes a packet analysis model learning apparatus () for generating a packet analysis model (), a waveform analysis model learning apparatus () for generating a waveform analysis model (), a traffic information collection apparatus () for collecting packets of a target device (), and a device estimation apparatus () for extracting a statistical value and a keyword from a packet, generating candidates for a manufacturer and a functional category of the target device () using the packet analysis model (), generating traffic waveform information from the packet, narrowing down the candidates using the waveform analysis model (), specifying the manufacturer and functional category of the target device (), and transmitting the same to the analysis model management apparatus ().
Inventor(s): Masanori YAMADA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Tomohiro NAGAI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Yasuhiro TERAMOTO of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Yuki YAMANAKA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Tomokatsu TAKAHASHI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Takahiro NUKUSHINA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04L9/40, H04L41/142
CPC Code(s): H04L63/1416
Abstract: an estimation device includes processing circuitry configured to extract a fixed-length feature amount from a payload of communication data, calculate a similarity between feature amounts of abnormal communication data, and determine that events are of a same type when the calculated similarity is greater than a predetermined threshold.
Inventor(s): Riku OMIYA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Masashi IWABUCHI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Tomoaki OGAWA of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation, Yasushi TAKATORI of Musashino-shi, Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04W16/18
CPC Code(s): H04W16/18
Abstract: an installation position calculation device of a relay station according to an embodiment includes: an identification circuitry configured to identify an installed station candidate point at which an los region from the relay station is maximized in an installed station candidate range or among a plurality of installed station candidate points predetermined as installation position candidates; a correction circuitry configured to correct a position of each of the identified installed station candidate points based on a fresnel zone for the relay station; a storage circuitry configured to store, as an installation position of the relay station, the position of the installed station candidate point at which an los region from the relay station is maximized among each of the identified installed station candidate points or the corrected installed station candidate points; and a controller configured to control such that the number of installation positions of the relay station.
Inventor(s): Masayoshi NABESHIMA of Tokyo JP for nippon telegraph and telephone corporation, Tomoaki OGAWA of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04W24/10, H04B17/318, H04B17/373
CPC Code(s): H04W24/10
Abstract: a radio wave information measurement system according to an embodiment: stores predicted values of radio wave information, the predicted values being predicted, by each of a plurality of users, to be measured at a respective plurality of measurement positions preset in a predetermined area; receives measured values of the radio wave information, the measured values being measured at the respective plurality of measurement positions by each of wireless terminals; calculates, for each of the plurality of measurement positions, a difference between a predicted value and a measured value for each user; calculates, for each user, an accumulated value of differences calculated; calculates a score for each user such that a score value increases as the accumulated value decreases; and transmits scores of the plurality of users calculated to each of the wireless terminals, and each of the wireless terminals displays the scores of the plurality of users transmitted.
Inventor(s): Toshiro NAKAHIRA of Tokyo JP for nippon telegraph and telephone corporation, Daisuke MURAYAMA of Tokyo JP for nippon telegraph and telephone corporation, So TAKATANI of Tokyo JP for nippon telegraph and telephone corporation, Motoharu SASAKI of Tokyo JP for nippon telegraph and telephone corporation, Kenichi KAWAMURA of Tokyo JP for nippon telegraph and telephone corporation, Takatsune MORIYAMA of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04W72/12
CPC Code(s): H04W72/12
Abstract: a scheduling control apparatus that calculates a weight for scheduling a terminal in a wireless system including a plurality of base stations includes: an information acquisition unit configured to acquire information regarding a connection state between each of the plurality of base stations and the terminal; a weight calculation unit configured to calculate, for each base station of the plurality of base stations, a weight indicating an allocation ratio of communication amounts between one or a plurality of terminals connected to the base station; and a control unit configured to notify the base station of the weight. the weight calculation unit calculates the weight by repeating processing for updating the weight so that an error between expected wireless communication quality obtained when the weight is given to each of the terminals and required wireless communication quality of each of the terminals is small.
Inventor(s): Masashi Miyata of Tokyo JP for nippon telegraph and telephone corporation, Mitsumasa Nakajima of Tokyo JP for nippon telegraph and telephone corporation, Toshikazu Hashimoto of Tokyo JP for nippon telegraph and telephone corporation
IPC Code(s): H04N25/13, H04N25/77
CPC Code(s): H10F39/806
Abstract: an image capturing element according to the present disclosure includes a pixel array formed by a plurality of pixels arranged in an array on a substrate, each of the plurality of pixels including a photoelectric conversion element, a transparent layer formed on the pixel array, and a spectroscopic element array formed by a plurality of spectroscopic elements arranged in an array, and each of the plurality of spectroscopic elements is at a position corresponding to one of the plurality of spectroscopic elements inside or on the transparent layer. each of the plurality of spectroscopic elements includes a plurality of microstructures formed from a material having a refractive index higher than a refractive index of the transparent layer. the plurality of microstructures have a microstructure pattern. each of the plurality of spectroscopic elements separates incident light into deflected light beams having different propagation directions according to the wavelength.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on April 10th, 2025
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- G06F8/30
- CPC G06F8/30
- Nippon telegraph and telephone corporation
- G06Q10/0633
- CPC G06Q10/0633
- G06Q10/0637
- G06F40/205
- CPC G06Q10/0637
- G06Q30/0601
- G06Q30/0202
- G06Q30/0282
- CPC G06Q30/0609
- H01S3/067
- H01S3/10
- H01S3/16
- CPC H01S3/06716
- H03K5/01
- H03K5/00
- H03K17/56
- CPC H03K5/01
- H04B7/06
- H04W16/28
- CPC H04B7/0617
- H04B7/155
- CPC H04B7/15528
- H04J3/14
- CPC H04J3/14
- H04J14/02
- CPC H04J14/0227
- H04L7/00
- CPC H04L7/0016
- H04L27/00
- H04L27/34
- H04W52/26
- CPC H04L27/0008
- H04L41/14
- H04L41/16
- CPC H04L41/145
- H04L9/40
- H04L41/142
- CPC H04L63/1416
- H04W16/18
- CPC H04W16/18
- H04W24/10
- H04B17/318
- H04B17/373
- CPC H04W24/10
- H04W72/12
- CPC H04W72/12
- H04N25/13
- H04N25/77
- CPC H10F39/806
