Jump to content

SEIKO EPSON CORPORATION patent applications on May 1st, 2025

From WikiPatents

Patent Applications by SEIKO EPSON CORPORATION on May 1st, 2025

SEIKO EPSON CORPORATION: 27 patent applications

SEIKO EPSON CORPORATION has applied for patents in the areas of B41J2/045 (5), B41J2/14 (5), G09G3/36 (2), B41J2/21 (2), G09G3/00 (2) B41J2/14233 (2), B41J2/04581 (2), B29C45/04 (1), D21G9/0009 (1), G16H20/30 (1)

With keywords such as: unit, mold, signal, configured, portion, liquid, circuit, control, direction, and device in patent application abstracts.



Patent Applications by SEIKO EPSON CORPORATION

20250135693. Mold for Injection Molding and Injection Molding System_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroki TAKANO of Matsumoto JP for seiko epson corporation, Seijun HORIE of Matsumoto JP for seiko epson corporation

IPC Code(s): B29C45/04, B29C45/34

CPC Code(s): B29C45/04



Abstract: a mold for injection molding includes a first mold where a gate opening is formed and a second mold moving due to mold opening in a mold opening direction, wherein the second mold includes a third mold, a fourth mold arranged between the third mold and the first mold in the mold opening direction, and a fifth mold arranged between the fourth mold and the first mold in the mold opening direction, the third mold and the fourth mold forming the cavity, the fourth mold having a passage, the fifth mold having a first penetration hole, the first mold has a recess at a surface facing the second mold, the fifth mold is arranged in the recess when mold closing is performed, and a groove penetrating the mold downward in the vertical direction is formed.


20250135694. MAINTENANCE METHOD FOR DISCHARGE UNIT_simplified_abstract_(seiko epson corporation)

Inventor(s): Tatsuya Teramoto of SHIOJIRI-SHI JP for seiko epson corporation, Taki Hashimoto of SHIOJIRI-SHI JP for seiko epson corporation

IPC Code(s): B29C45/17, B29C45/47, B29C45/74

CPC Code(s): B29C45/1753



Abstract: provided is a maintenance method for a discharge unit which has a nozzle hole and plasticizes a material containing a thermoplastic resin to generate a plasticized material. this maintenance method includes a heating step of heating a material or a plasticized material present in a flow path which communicates with a nozzle hole and through which the material or the plasticized material passes at a temperature equal to or higher than the thermal decomposition temperature of the material or the plasticized material, and a releasing step of releasing the material or the plasticized material thermally decomposed in the heating step from the flow path.


20250135697. Injection Molding Device_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroki TAKANO of Matsumoto JP for seiko epson corporation, Seijun HORIE of Matsumoto JP for seiko epson corporation

IPC Code(s): B29C45/73

CPC Code(s): B29C45/73



Abstract: the injection molding device includes a plasticization section generating a molding material; a fixed section to which an injection mold, in which is formed a cavity, is detachably attachable, the injection mold including a first mold and a second mold; and a nozzle, wherein the second mold includes a third mold and a fourth mold arranged between the first mold and the third mold in a mold opening direction of the second mold, the cavity is formed by the third mold and the fourth mold, a passage is formed in the fourth mold, the third mold includes a first cooling section for cooling the third mold, the fourth mold includes a second cooling section for cooling the fourth mold, and a first cooling capacity of the first cooling section is different from a second cooling capacity of the second cooling section.


20250135698. MOLDING MANAGEMENT SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Kosuke ATSUTA of SHIOJIRI-SHI JP for seiko epson corporation, Yusuke MITSUMA of SHIOJIRI-SHI JP for seiko epson corporation, Soji SHIOZAWA of MATSUMOTO-SHI JP for seiko epson corporation

IPC Code(s): B29C45/76, B29C37/00

CPC Code(s): B29C45/762



Abstract: a molding management system including a server and managing production of a product in a production process including an injection molding process of the product by an injection molding device, wherein the server is communicably connected to a terminal device and configured to cause the terminal device to display production plan information indicating a production plan for a designated first product in response to an operation received from the terminal device and the production plan information includes first operating time period information indicating a first operating time period in which the injection molding device is operated to produce the first product and inoperable time period information indicating at least an inoperable time period during which the injection molding device cannot be operated to produce the first product.


20250135768. Head Unit And Liquid Ejection Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Toshimichi YAMADA of Chino JP for seiko epson corporation

IPC Code(s): B41J2/045

CPC Code(s): B41J2/04541



Abstract: a head unit includes a drive signal output circuit including a first constant current output circuit for outputting a first constant current signal based on a first dc voltage signal, a second constant current output circuit for outputting a second constant current signal based on a second dc voltage signal, and a selection control circuit for controlling the first constant current output circuit and the second constant current output circuit based on an ejection control signal, the selection control circuit controls whether the first constant current output circuit outputs the first constant current signal and whether the second constant current output circuit outputs the second constant current signal based on the ejection control signal, and the drive signal output circuit outputs a first drive signal corresponding to the first constant current signal and the second constant current signal to a first piezoelectric element.


20250135769. Head Unit And Liquid Ejection Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Toshimichi YAMADA of Chino JP for seiko epson corporation

IPC Code(s): B41J2/045, B41J2/14

CPC Code(s): B41J2/04581



Abstract: a head unit includes a first ejection unit which includes a first piezoelectric element driven by a first drive signal, and is configured to eject a liquid due to drive of the first piezoelectric element, a flexible wiring board electrically coupled to the first ejection unit, and a drive signal output circuit to which a first dc voltage signal having a first voltage value, a second dc voltage signal having a second voltage value, and an ejection control signal are input, and which is configured to output the first drive signal, wherein the drive signal output circuit is provided to the flexible wiring board, and is configured to output the first drive signal with the first dc voltage signal selected or deselected and with the second dc voltage signal selected or deselected based on the ejection control signal.


20250135770. Head Unit And Liquid Ejection Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Toshimichi YAMADA of Chino JP for seiko epson corporation

IPC Code(s): B41J2/045, B41J2/14

CPC Code(s): B41J2/04581



Abstract: a head unit includes an ejection unit which is configured to eject a liquid due to drive of a piezoelectric element, and a drive signal output circuit includes a first switch circuit configured to switch whether to supply a first dc voltage signal to the ejection unit, a second switch circuit configured to switch whether to supply a second dc voltage signal to the ejection unit, and a selection control circuit configured to control the first switch circuit and the second switch circuit, and the first switch circuit includes a first switch element one end of which is supplied with the first dc voltage signal, and another end of which is electrically coupled to the ejection unit, and a second switch element one end of which is supplied with the first dc voltage signal, and another end of which is electrically coupled to the ejection unit.


20250135775. LIQUID EJECTING HEAD AND LIQUID EJECTING SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Shunsuke Yoshida of MATSUMOTO-SHI JP for seiko epson corporation, Toshihiro Shimizu of FUJIMI-MACHI JP for seiko epson corporation, Naoto Yokoyama of MATSUMOTO-SHI JP for seiko epson corporation

IPC Code(s): B41J2/14, B41J2/045

CPC Code(s): B41J2/14233



Abstract: a liquid ejecting head includes a piezoelectric element in which a first drive electrode, a piezoelectric body, and a second drive electrode are laminated, a humidity detection unit used for detecting a humidity, which includes a first detection electrode, an interposed layer, and a second detection electrode, and a temperature detection unit used for detecting a temperature, which includes a temperature detection resistor. the piezoelectric body is provided between the temperature detection resistor and the humidity detection unit in a direction of lamination in which the first drive electrode, the piezoelectric body, and the second drive electrode are laminated, and at least one of the first detection electrode, the interposed layer, and the second detection electrode is provided at a position to overlap the temperature detection resistor in the direction of lamination.


20250135776. LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Haruhisa Uezawa of SHIOJIRI-SHI JP for seiko epson corporation, Masahiko Sato of AZUMINO-SHI JP for seiko epson corporation

IPC Code(s): B41J2/14

CPC Code(s): B41J2/14233



Abstract: a liquid ejecting head includes: one or more head chips; a flow channel member that defines a flow channel on which the liquid flows in order to supply the liquid to the one or more head chips; a holder that holds the one or more head chips; and a heater configured to heat the holder, the holder is a thermally conductive resin that contains a thermally conductive filler and does not define a flow channel.


20250135783. LIQUID RECEIVING DEVICE AND LIQUID EJECTING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroyuki NAKAMURA of Shiojiri-shi JP for seiko epson corporation, Tomoyuki MIYAZAWA of MATSUMOTO-SHI JP for seiko epson corporation, Akihiro TOYA of Shiojiri-shi JP for seiko epson corporation, Yota TERAKAWA of SHIOJIRI-SHI JP for seiko epson corporation, Satoshi INOMATA of MATSUMOTO-SHI JP for seiko epson corporation

IPC Code(s): B41J2/165, B41J2/14

CPC Code(s): B41J2/16535



Abstract: a liquid receiving device includes a receiving unit configured to receive a liquid from an ejecting unit configured to eject the liquid, and a joining member joined to the receiving unit, wherein the receiving unit includes a reception wall configured to receive the liquid, and a circumference wall extending from the reception wall, the circumference wall defines a reception port through which the liquid discharged from the ejecting unit passes, and includes a joining surface joined to the joining member, and the joining member extends along the circumference wall, and includes a protruding portion extending inward from the circumference wall.


20250135786. Ink-Receiving Body And Recording Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Tasuku NAKAMURA of Matsumoto JP for seiko epson corporation

IPC Code(s): B41J2/175, B32B1/00, B32B27/08, C09D11/107, C09D11/322, C09D11/38

CPC Code(s): B41J2/17513



Abstract: an ink-receiving body includes an ink jet ink composition and a container to receive the ink jet ink composition. in the ink-receiving body described above, the ink jet ink composition is an aqueous ink containing a pigment and a surfactant, the pigment includes at least two types of pigments having chemical structures classified into respective different groups, the surfactant includes a polysiloxane-based surfactant having an hlb value of 10 or more and an acetylene glycol-based surfactant having an hlb value of 6 to 10, and the received ink jet ink composition contains a dissolved nitrogen amount of 5 ppm or more.


20250135787. CARTRIDGE, PRINTING DEVICE, AND PRINTING SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Takumi NAGASHIMA of Matsumoto-shi JP for seiko epson corporation, Yoshihiro Koizumi of Shiojiri-shi JP for seiko epson corporation, Shun Oya of Kiso-machi JP for seiko epson corporation

IPC Code(s): B41J2/175

CPC Code(s): B41J2/17523



Abstract: a cartridge detachably mounted to a printing device cartridge mounting portion includes a second fixing structure including a groove guiding a first fixing structure, and a locking portion provided to the groove. the cartridge is brought from a cartridge insertion state to a cartridge mounting portion predetermined position by being moved along a horizontal direction to a mounting state in which the cartridge is mounted by being rotated and moved in a rotation mounting direction around a fulcrum which is a far side of the cartridge mounting portion in the insertion direction by receiving a force having a component in a downward direction of a gravity direction. the second fixing structure locks the first fixing structure in the mounting state and releases with the first fixing structure by receiving the force having the component in the downward direction of the gravity direction applied to the cartridge in the mounting state.


20250135788. PRINTING APPARATUS AND ADJUSTMENT METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Takashi DOI of Matsumoto JP for seiko epson corporation

IPC Code(s): B41J2/21, B41J2/045

CPC Code(s): B41J2/2132



Abstract: a printing apparatus according to an aspect of the present disclosure includes a printing head including a plurality of printing chips including a plurality of nozzles, a main scanning unit, a sub-scanning unit, and a control unit, and is capable of printing a test pattern for acquiring a correction value for adjusting an ejection characteristic for each of the printing chips. the test pattern includes a reference pattern and an adjustment pattern. the control unit performs print control such that the reference pattern and the adjustment pattern are formed at positions adjacent to each other, and liquid is ejected onto an identical target region of a medium using at least two printing chips among the printing chips included in the printing head for the reference pattern to be formed in the identical target region.


20250135791. PRINTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Daigo USUI of SHIOJIRI-SHI JP for seiko epson corporation

IPC Code(s): B41J11/00, B41J13/10, B41J29/00, G03G15/00

CPC Code(s): B41J11/0095



Abstract: when a control unit receives a print request to designate a first size as a size of a sheet and designate a first material as a material of the sheet and a size of the sheet held by a sheet feeding cassette is a second size and a material of the sheet is a second material, the control unit displays a first display in one of a first mode and a second mode different from the first mode based on the first size and the second size, and displays a second display in one of a third mode and a fourth mode different from the third mode based on the first material and the second material.


20250135793. MOVING DEVICE, MOVING SYSTEM, AND MOVING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Nobuhiro INOUE of MATSUMOTO-SHI JP for seiko epson corporation

IPC Code(s): B41J25/308, B41J2/32, B41J15/04, B41J25/00, B41J25/316, B41J29/13, B41J29/387, B41J29/48

CPC Code(s): B41J25/308



Abstract: a moving device includes a moving mechanism configured to support a plurality of printers and move positions of the plurality of printers, the plurality of printers being configured to execute printing processing for executing printing on roll paper, a take-out port through which a user takes out a receipt discharged from a first printer being one printer of the plurality of printers, and a first control unit configured to communicate with the plurality of printers and control the moving mechanism, wherein the first control unit includes a monitoring unit configured to monitor a state of each of the plurality of printers, and a movement instruction unit configured to cause the moving mechanism to move a position of the first printer to a take-out position at which the receipt is taken out through the take-out port, based on a monitoring result of the monitoring unit.


20250135794. ACCOMMODATION DEVICE AND LIQUID EJECTION APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Akira YAMAGISHI of SHIOJIRI-SHI JP for seiko epson corporation, Hiroyuki NAKAMURA of SHIOJIRI-SHI JP for seiko epson corporation

IPC Code(s): B41J29/02, B41J2/17

CPC Code(s): B41J29/02



Abstract: an accommodation device includes a housing in which a mounting port is open, a main body unit positioned in the housing, a mounting unit mounted in the housing, a coupling body coupled to the main body unit and the mounting unit, and a contact unit configured to contact the mounting unit, wherein the mounting unit is configured to move in one direction from an inside of the housing to an outside of the housing through the mounting port, and the contact unit contacts the mounting unit when the mounting unit mounted in the housing moves in the one direction.


20250137198. SHEET MANUFACTURING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Keisuke YAMAYA of Shiojiri JP for seiko epson corporation, Koji MOTOHASHI of Matsumoto JP for seiko epson corporation, Takashi ABE of Sakata JP for seiko epson corporation, Makoto SATO of Matsumoto JP for seiko epson corporation

IPC Code(s): D21G9/00

CPC Code(s): D21G9/0009



Abstract: a sheet manufacturing apparatus includes: a measurement portion that weighs paper pieces, in which the measurement portion includes: a first frame portion; a second frame portion separated from the first frame portion; a lid portion on which paper pieces to be weighed are placed in a closed state, and which transmits the weighed paper pieces to a downstream merging portion in an open state; a sensor portion that measures a mass of the paper pieces placed on the lid portion; and a shutter portion configured to close a space between the lid portion and the merging portion, the sensor portion is attached to the first frame portion, and the shutter portion is attached to the second frame portion.


20250137576. Vibration Insulating Structure And Method For Manufacturing Vibration Insulating Structure_simplified_abstract_(seiko epson corporation)

Inventor(s): Yoshihiro KOBAYASHI of Komagane JP for seiko epson corporation

IPC Code(s): F16M11/22, F16F7/108, G06F30/17

CPC Code(s): F16M11/22



Abstract: a vibration insulating structure is fixed to a vibration source and on which a measurement apparatus is placed, the vibration insulating structure including: a first vibration insulating structure fixed to the vibration source and a second vibration insulating structure provided on top of the first vibration insulating structure, in which the first vibration insulating structure includes a first mass body and a first vibration insulating member supporting the first mass body, the second vibration insulating structure includes a second mass body and a second vibration insulating member supporting the second mass body, the measurement apparatus is placed on the second mass body, and a second structure ratio of the second vibration insulating structure is larger than a first structure ratio of the first vibration insulating structure.


20250138043. Sensor Module and Electronic Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Taketo CHINO of Hokuto JP for seiko epson corporation

IPC Code(s): G01P1/02, G01C19/00

CPC Code(s): G01P1/026



Abstract: a sensor module includes a first substrate, a second substrate, a connection portion, a first sensor device, and a second sensor device. the connection portion forms an electrical connection between the first substrate and the second substrate. the first sensor device is disposed on the first substrate to detect a physical quantity on a first axis. the second sensor device is disposed on the second substrate to detect a physical quantity on the first axis.


20250138321. VIRTUAL-IMAGE DISPLAY DEVICE AND OPTICAL UNIT_simplified_abstract_(seiko epson corporation)

Inventor(s): Katsutoshi INOMOTO of SHIOJIRI-SHI, NAGANO-KEN JP for seiko epson corporation, Mitsutaka IDE of SHIOJIRI-SHI, NAGANO-KEN JP for seiko epson corporation, Takashi TAKEDA of SUWA-SHI, NAGANO-KEN JP for seiko epson corporation

IPC Code(s): G02B27/01, G02B5/30, G02B27/14

CPC Code(s): G02B27/0172



Abstract: a virtual-image display device or an optical unit includes a first display device configured to output image light of circularly polarized light; a first reflection member having a flat surface and configured to reflect the image light to a diagonal direction; and a second reflection member having a positive power and configured to reflect, toward the first reflection member, the image light reflected at the first reflection member. the first reflection member includes a first optical function layer that is one of a cholesteric liquid crystal layer and a transmissive reflection layer. the second reflection member includes a second optical function layer that is the other one of the cholesteric liquid crystal layer and the transmissive reflection layer.


20250138405. WAVELENGTH CONVERTER, METHOD FOR MANUFACTURING WAVELENGTH CONVERTER, LIGHT SOURCE APPARATUS, AND PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Hideo MIYASAKA of OKAYA-SHI JP for seiko epson corporation

IPC Code(s): G03B21/20

CPC Code(s): G03B21/204



Abstract: a wavelength converter according to an aspect of the present disclosure includes a wavelength converting layer having a first surface on which light is incident and a second surface opposite from the first surface and configured to convert the incident light, a substrate disposed at a side facing the second surface of the wavelength converting layer, and a bonding layer configured to bond the substrate and the wavelength converting layer to each other, the bonding layer includes a first layer facing the substrate and a second layer disposed between the first layer and the wavelength converting layer, and a porosity of the first layer is higher than a porosity of the second layer.


20250139524. METHOD FOR CREATING COLOR PREDICTION MODEL, COLOR PREDICTION MODEL CREATION APPARATUS, PRINTING SYSTEM, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM_simplified_abstract_(seiko epson corporation)

Inventor(s): Yasuhiro TAKEUCHI of AZUMINO-SHI JP for seiko epson corporation, Takahiro KAMADA of MATSUMOTO-SHI JP for seiko epson corporation, Yuko YAMAMOTO of SHIOJIRI-SHI JP for seiko epson corporation, Mitsuhiro YAMASHITA of MATSUMOTO-SHI JP for seiko epson corporation

IPC Code(s): G06N20/00, B41J2/21, G06T7/90, H04N1/60

CPC Code(s): G06N20/00



Abstract: a method of creating a color prediction model includes (a) acquiring color chart data representing n color patch groups; (b) a process of executing an accuracy calculation process sequentially while increasing an integer n, the process including (i) creating n tentative training datasets corresponding to n color patch groups using a predicted spectral reflectance predicted by a simple color prediction model, (ii) creating the tentative color prediction model by training the color prediction model with n tentative training datasets, and (iii) calculating a prediction accuracy of the tentative color prediction model; (c) a process of determining a number nof color patch groups suitable for training the color prediction model using a relationship between the integer n and the prediction accuracy; (d) executing printing and measurement of spectral reflectances for the ncolor patch groups, and creating training data including measurement results of the spectral reflectances; and (e) performing training of the color prediction model.


20250139593. ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Masanori KOIZUMI of Suwa JP for seiko epson corporation, Daisuke KURITA of Shiojiri JP for seiko epson corporation

IPC Code(s): G06Q10/30, G06Q10/0631

CPC Code(s): G06Q10/30



Abstract: an electronic apparatus including a replaceable specific component, includes an acquisition unit acquiring reuse information related to a reuse history of the specific component, a generation unit generating reuse schedule information indicating a future reuse mode of the specific component based on the reuse information, and a display control unit controlling a display unit to display the future reuse mode of the specific component based on the reuse schedule information.


20250140139. PROJECTION DISPLAY DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Kazuhisa MIZUSAKO of Shiojiri-shi JP for seiko epson corporation

IPC Code(s): G09G3/00, G09G3/36

CPC Code(s): G09G3/001



Abstract: a projection display device including a first liquid crystal panel that generates a first image, a second liquid crystal panel that generates a second image, a prism that combines the first image with the second image shifted in a horizontal direction with respect to the first pixel and outputs a combination image, a light path shift element, and a display control circuit that controls the first liquid crystal panel, the second liquid crystal panel and the light path shift element. the display control circuit supplies a data signal of a first color component in an odd-numbered row of video pixel data to the first liquid crystal panel in a first unit period, and supplies the same data signal of the same first color component in an even-numbered row of the video pixel data to the first liquid crystal panel in a second unit period.


20250140142. PROJECTION DISPLAY DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Kazuhisa MIZUSAKO of Shiojiri-shi JP for seiko epson corporation

IPC Code(s): G09G3/00, G09G3/36, H04N9/31

CPC Code(s): G09G3/007



Abstract: a projection display device including a first panel that generates a first image, a second panel that generates a second image, a prism that combines the first image with the second image shifted in a horizontal direction with respect to a first pixel and outputs a combination image, a light path shift element, and a display control circuit. the display control circuit supplies data signals of odd-numbered rows to the first panel and supplies data signals of even-numbered rows to the second panel in an odd-numbered field period, and supplies data signals of even-numbered rows to the first panel and supplies data signals of even-numbered rows to the second panel in an even-numbered field period, and controls the light path shift element so that a light path of the combination image is shifted in a vertical direction.


20250140366. INFORMATION PROCESSING DEVICE AND PROGRAM STORAGE MEDIUM_simplified_abstract_(seiko epson corporation)

Inventor(s): Yukiyasu SEKI of SHIOJIRI-SHI JP for seiko epson corporation, Fumikazu SANO of MATSUMOTO-SHI JP for seiko epson corporation

IPC Code(s): G16H20/30

CPC Code(s): G16H20/30



Abstract: an information processing device includes a goal setting unit configured to set a first goal for an exercise of a subject, an advice generation unit configured to generate a first advice for the first goal, an output unit configured to output the first goal and the first advice, a motivation estimation unit configured to estimate a motivation of the subject, and an evaluation unit configured to evaluate a motivation of the subject for the first goal. the advice generation unit generates a second advice different from the first advice based on a result of the evaluation by the evaluation unit, and the output unit outputs the second advice.


20250142676. LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Haruhisa UEZAWA of SHIOJIRI-SHI JP for seiko epson corporation, Masahiko SATO of AZUMINO-SHI JP for seiko epson corporation

IPC Code(s): H05B3/26, B41J2/005, B41J2/15

CPC Code(s): H05B3/26



Abstract: a liquid ejecting head includes: a nozzle; and a sheet-shaped heater for heating the liquid to be supplied to the nozzle, and the heater includes a main surface portion having a temperature detection element, an insulative first base member having a first surface and a second surface on an opposite side of the first surface, a resistance wire disposed on the first surface and configured to heat a heating target being a portion of the liquid ejecting head, and relay wiring electrically connected to the temperature detection element and disposed on the second surface, and the resistance wire overlaps the relay wiring when viewed in a thickness direction of the main surface portion.


SEIKO EPSON CORPORATION patent applications on May 1st, 2025

Cookies help us deliver our services. By using our services, you agree to our use of cookies.