Patents by Inventor Tomoki KAMEYAMA
Tomoki KAMEYAMA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10807364Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and extending in a second direction crossing the first direction, a plurality of common electrodes formed on respective inner surfaces of the plurality of ejection grooves, and a commonalization interconnection adapted to electrically connect the plurality of common electrodes to each other, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves.Type: GrantFiled: November 12, 2018Date of Patent: October 20, 2020Assignee: SII PRINTEK INC.Inventors: Daichi Nishikawa, Misaki Kobayashi, Tomoki Kameyama, Hitoshi Nakayama
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Patent number: 10717280Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves and a plurality of non-ejection grooves alternately arranged in parallel to each other along a first direction and each extending in a second direction crossing the first direction, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and to be bonded to the actuator plate. The non-ejection grooves each partially open in a bonding surface of the actuator plate with the nozzle plate.Type: GrantFiled: November 12, 2018Date of Patent: July 21, 2020Assignee: SII Printek Inc.Inventors: Daichi Nishikawa, Misaki Kobayashi, Tomoki Kameyama
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Patent number: 10675869Abstract: A head chip, a liquid jet head, and a liquid jet recording device capable of achieving the miniaturization while enhancing the reliability are provided. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side in a first direction, a plurality of non-ejection grooves arranged side by side along the first direction, and individual electrodes respectively formed in the plurality of non-ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has interconnection connecting sections respectively disposed in end part areas along a second direction perpendicular to the first direction, and adapted to electrically connect a plurality of individual interconnections electrically connected to the individual electrodes to an interconnection board outside the head chip.Type: GrantFiled: November 9, 2018Date of Patent: June 9, 2020Assignee: SII PRINTEK INC.Inventors: Tomoki Kameyama, Yuki Yamamura, Daichi Nishikawa, Misaki Kobayashi
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Patent number: 10654271Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves each filled with liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate having a through hole through which the liquid flows into and/or from the ejection groove, and a wall part adapted to cover the ejection groove. A flow channel of the liquid in a part adapted to communicate the through hole and the ejection groove with each other includes a principal flow channel section, and an expanded flow channel section provided to the wall part, and adapted to increase a cross-sectional area of the flow channel.Type: GrantFiled: November 9, 2018Date of Patent: May 19, 2020Assignee: SII PRINTEK INC.Inventors: Yuki Yamamura, Daichi Nishikawa, Tomoki Kameyama, Misaki Kobayashi
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Publication number: 20190143696Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves filled with liquid, and a plurality of non-ejection grooves not filled with the liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves while not being communicated with the plurality of non-ejection grooves, a cover plate having a plurality of through holes adapted to respectively fill the plurality of ejection grooves with the liquid, and adapted to close the plurality of non-ejection grooves, and a communication mechanism adapted to communicate an outside of the head chip and the plurality of non-ejection grooves with each other via an opening part exposed to the outside of the head chip.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: Yuki YAMAMURA, Daichi NISHIKAWA, Tomoki KAMEYAMA, Misaki KOBAYASHI
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Publication number: 20190143682Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and extending in a second direction crossing the first direction, a plurality of common electrodes formed on respective inner surfaces of the plurality of ejection grooves, and a commonalization interconnection adapted to electrically connect the plurality of common electrodes to each other, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves.Type: ApplicationFiled: November 12, 2018Publication date: May 16, 2019Inventors: Daichi NISHIKAWA, Misaki KOBAYASHI, Tomoki KAMEYAMA, Hitoshi NAKAYAMA
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Publication number: 20190143697Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side along a first direction, and first common electrodes respectively formed in the ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has a wall part adapted to cover the plurality of ejection grooves.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: Tomoki KAMEYAMA, Yuki YAMAMURA, Daichi NISHIKAWA, Misaki KOBAYASHI
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Publication number: 20190143683Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure is a head chip adapted to jet liquid including an actuator plate having a plurality of ejection grooves and a plurality of non-ejection grooves alternately arranged in parallel to each other along a first direction and each extending in a second direction crossing the first direction, and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and to be bonded to the actuator plate. The non-ejection grooves each partially open in a bonding surface of the actuator plate with the nozzle plate.Type: ApplicationFiled: November 12, 2018Publication date: May 16, 2019Inventors: Daichi NISHIKAWA, Misaki KOBAYASHI, Tomoki KAMEYAMA
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Publication number: 20190143680Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of improving the ejection stability. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves each filled with liquid, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate having a through hole through which the liquid flows into and/or from the ejection groove, and a wall part adapted to cover the ejection groove. A flow channel of the liquid in a part adapted to communicate the through hole and the ejection groove with each other includes a principal flow channel section, and an expanded flow channel section provided to the wall part, and adapted to increase a cross-sectional area of the flow channel.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: Yuki YAMAMURA, Daichi NISHIKAWA, Tomoki KAMEYAMA, Misaki KOBAYASHI
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Publication number: 20190143689Abstract: A head chip, a liquid jet head, and a liquid jet recording device capable of achieving the miniaturization while enhancing the reliability are provided. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side in a first direction, a plurality of non-ejection grooves arranged side by side along the first direction, and individual electrodes respectively formed in the plurality of non-ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has interconnection connecting sections respectively disposed in end part areas along a second direction perpendicular to the first direction, and adapted to electrically connect a plurality of individual interconnections electrically connected to the individual electrodes to an interconnection board outside the head chip.Type: ApplicationFiled: November 9, 2018Publication date: May 16, 2019Inventors: Tomoki KAMEYAMA, Yuki YAMAMURA, Daichi NISHIKAWA, Misaki KOBAYASHI
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Patent number: 9758108Abstract: A protector with a sensor comprises: a hollow part; and an installation base member formed on the hollow part. In the hollow part, a plurality of conductive parts have core wires embedded therein respectively and a space is positioned between the plurality of conductive parts. The plurality of conductive parts include: a conductive part on a lower part of the hollow part as a side of the installation base member; and a conductive part on an upper part of the hollow part separated from the side of the installation base member by the space. The hollow part includes: an oblique side on an inner-cabin side extending from an inner-cabin side end connected with the installation base member to a tip; and an oblique side on an outer-cabin side extending from an outer-cabin side end connected with the installation base member to the tip.Type: GrantFiled: November 16, 2015Date of Patent: September 12, 2017Assignees: NISHIKAWA RUBBER CO., LTD., AISIN SEIKI KABUSHIKI KAISHAInventors: Yuzo Hirakawa, Michihiko Matsumoto, Hironori Koeda, Tomoki Kameyama
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Publication number: 20160305177Abstract: A pinching detection device detecting that foreign substances are caught between an opening and closing member for opening and closing an opening portion and a frame member surrounding the opening portion, includes: a sensor that is formed in an elongated shape and is capable of detecting that an external force acts on an outer peripheral surface thereof in a direction perpendicular to a longitudinal direction; and a holding member that has a sensor holding portion for holding the sensor and a gripping portion for gripping a plate-shaped portion formed in the opening and closing member or the frame member, wherein the sensor holding portion is formed of a synthetic resin material and the gripping portion is formed of a synthetic rubber material.Type: ApplicationFiled: April 13, 2016Publication date: October 20, 2016Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Hironori KOEDA, Tomoki KAMEYAMA, Kanehiro NAGATA, Yuichi SAKANOUE
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Publication number: 20160144802Abstract: A protector with a sensor comprises: a hollow part; and an installation base member formed on the hollow part. In the hollow part, a plurality of conductive parts have core wires embedded therein respectively and a space is positioned between the plurality of conductive parts. The plurality of conductive parts include: a conductive part on a lower part of the hollow part as a side of the installation base member; and a conductive part on an upper part of the hollow part separated from the side of the installation base member by the space. The hollow part includes: an oblique side on an inner-cabin side extending from an inner-cabin side end connected with the installation base member to a tip; and an oblique side on an outer-cabin side extending from an outer-cabin side end connected with the installation base member to the tip.Type: ApplicationFiled: November 16, 2015Publication date: May 26, 2016Inventors: Yuzo HIRAKAWA, Michihiko MATSUMOTO, Hironori KOEDA, Tomoki KAMEYAMA