Patents by Inventor Tatsuhito Goden

Tatsuhito Goden 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).

  • Patent number: 10668719
    Abstract: A recording element substrate includes a substrate, a plurality of energy generating elements arranged on the substrate to form an element row, a plurality of supply ports arranged along the element row to form a supply port row, and a plurality of supply paths extending from the plurality of supply ports along the thickness direction of the substrate, wherein a plurality of beam portions disposed between adjacent supply ports in the direction of the supply port row has a plurality of conductor layers in which a conductor layer including a power supply conductor connected to the energy generating elements and a conductor layer including a ground conductor connected to the energy generating elements, are stacked along the thickness direction of the substrate, and wherein at least one of the plurality of conductor layers is occupied by one power supply conductor or one ground conductor.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: June 2, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masataka Sakurai, Nobuyuki Hirayama, Ryo Kasai, Kengo Umeda, Hidenori Yamato, Masanobu Ohmura, Tatsuhito Goden
  • Patent number: 10652496
    Abstract: A photoelectric conversion device in which pixels are arranged in a matrix, wherein each of the pixels includes: at least one pixel electrode, a photoelectric conversion layer, a counter electrode, and a pixel circuit that is connected to the pixel electrode and outputs a signal from the pixel electrode, wherein a pixel circuit group corresponding to a pixel group formed of the pixels positioned adjacent to each other is disposed below a pixel electrode group of the pixel group, wherein the pixel group includes a first pixel, and a second pixel having more independent pixel electrodes than the first pixel, wherein each of the pixel circuits is connected to each of the independent pixel electrodes, and wherein the first pixel overlaps with the pixel circuit that corresponds to the first pixel, and with the pixel circuit that does not correspond to the first pixel in a plan view.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: May 12, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tatsuhito Goden, Yukihiro Kuroda
  • Publication number: 20200059617
    Abstract: A pixel includes a first electrode, a second electrode facing to the first electrode in a first direction, and a third electrode disposed between the first and second electrodes. A photoelectric conversion layer is disposed on the electrodes. Signals for phase difference detection are read from the first and second electrodes. Furthermore, a signal for imaging is read from the third electrode.
    Type: Application
    Filed: October 23, 2019
    Publication date: February 20, 2020
    Inventors: Hidekazu Takahashi, Yukihiro Kuroda, Tatsuhito Goden, Akinari Takagi
  • Patent number: 10491844
    Abstract: A pixel includes a first electrode, a second electrode facing to the first electrode in a first direction, and a third electrode disposed between the first and second electrodes. A photoelectric conversion layer is disposed on the electrodes. Signals for phase difference detection are read from the first and second electrodes. Furthermore, a signal for imaging is read from the third electrode.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: November 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidekazu Takahashi, Yukihiro Kuroda, Tatsuhito Goden, Akinari Takagi
  • Patent number: 10483301
    Abstract: An imaging apparatus according to the present invention includes a substrate including a plurality of pixel circuits arranged thereon and a semiconductor layer disposed on the substrate. Each of the plurality of pixel circuits includes an amplification transistor configured to output a signal based on charge generated in the semiconductor layer. The charge generated in the semiconductor layer is transferred in a first direction parallel to a surface of the substrate.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: November 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hidekazu Takahashi, Kazuaki Tashiro, Tatsuhito Goden
  • Patent number: 10473782
    Abstract: A photoelectric conversion element includes a first photoelectric conversion unit configured to generate an electron serving as a signal charge, a second photoelectric conversion unit configured to generate a hole serving as a signal charge, a first floating diffusion region to which the electron generated in the first photoelectric conversion unit is transferred, a second floating diffusion region to which the hole generated in the second photoelectric conversion unit is transferred, an amplifying transistor including a gate electrically connected to the first floating diffusion region and the second floating diffusion region, a first charge ejection unit configured to eject the electron generated in the first photoelectric conversion unit, and a second charge ejection unit configured to eject the hole generated in the second photoelectric conversion unit, wherein the first photoelectric conversion unit and the second photoelectric conversion unit are arranged along a principal surface of a semiconductor sub
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: November 12, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hajime Ikeda, Tatsuhito Goden, Yoichi Wada, Keisuke Ota, Toshinori Hasegawa
  • Patent number: 10468439
    Abstract: A photoelectric conversion device includes a first photoelectric conversion portion configured to generate electrons; a second photoelectric conversion portion configured to generate holes; a charge-to-voltage conversion portion including an n-type first semiconductor region configured to collect the generated electrons and a p-type second semiconductor region configured to collect the generated holes, the charge-to-voltage conversion portion being configured to convert a charge that is based on the electrons and the holes to a voltage; and a signal generation portion configured to generate a signal corresponding to the voltage, the signal generation portion including an amplification transistor.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: November 5, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hajime Ikeda, Tatsuhito Goden, Yoichi Wada, Keisuke Ota, Toshinori Hasegawa
  • Patent number: 10446594
    Abstract: An image pickup device according to an embodiment includes a substrate on which a plurality of pixel circuits are disposed, a semiconductor layer disposed on the substrate, a first electrode disposed on the semiconductor layer, and a second electrode disposed between the semiconductor layer and the substrate. A continuous portion of the semiconductor layer includes a light receiving region disposed between the first electrode and the second electrode and a charge hold region different from the light receiving region.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: October 15, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuaki Tashiro, Tatsuhito Goden
  • Publication number: 20190306448
    Abstract: A photoelectric conversion device including: a photoelectric conversion unit; a storing unit configured to store a photoelectric conversion signal from the photoelectric conversion unit; a first amplifier transistor configured to output a photoelectric conversion signal from the storing unit; a transistor configured to write an output signal of the first amplifier transistor to a first terminal of a holding capacitor; a second amplifier transistor, a gate of which is connected to the first terminal, and which is configured to output a voltage in accordance with a voltage of the first terminal; and a control unit configured to switch a voltage of a second terminal of the holding capacitor.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 3, 2019
    Inventors: Tatsuhito Goden, Hidekazu Takahashi
  • Publication number: 20190238780
    Abstract: A photoelectric conversion device in which pixels are arranged in a matrix, wherein each of the pixels includes: at least one pixel electrode, a photoelectric conversion layer, a counter electrode, and a pixel circuit that is connected to the pixel electrode and outputs a signal from the pixel electrode, wherein a pixel circuit group corresponding to a pixel group formed of the pixels positioned adjacent to each other is disposed below a pixel electrode group of the pixel group, wherein the pixel group includes a first pixel, and a second pixel having more independent pixel electrodes than the first pixel, wherein each of the pixel circuits is connected to each of the independent pixel electrodes, and wherein the first pixel overlaps with the pixel circuit that corresponds to the first pixel, and with the pixel circuit that does not correspond to the first pixel in a plan view.
    Type: Application
    Filed: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Tatsuhito Goden, Yukihiro Kuroda
  • Patent number: 10276609
    Abstract: A semiconductor device is provided. The device generates a signal based on both a first carrier generated in a first photodiode and a second carrier generated in a second photodiode. The first photodiode includes a first region of a second conductivity type and a second region of a first conductivity type arranged between a surface of a substrate and the first region. The second photodiode includes a third region of the first conductivity type and a fourth region of the second conductivity type arranged between the surface and the third region. A fifth region of the first conductivity type is provided at a position farther apart from the surface than the first region. A peak of an impurity concentration of the third region is positioned in a range where the first region exists between the second region and the fifth region.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: April 30, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keisuke Ota, Hajime Ikeda, Tatsuhito Goden, Yoichi Wada, Toshinori Hasegawa
  • Patent number: 10244193
    Abstract: A pixel circuit includes: a first signal output circuit having a first amplification portion with a first input node connected to a first electrode; a second signal output circuit having a second amplification portion with a second input node connected to a second electrode; a first capacitor connected to the first electrode and the first input node; and a first potential control portion configured to control a potential of the first electrode via the first capacitor, wherein the first potential control portion supplies a first potential that collects signal charge generated in a photoelectric conversion layer, or a second potential that transfers the signal charge in a first direction, to the first electrode.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: March 26, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tatsuhito Goden, Hidekazu Takahashi
  • Publication number: 20190023007
    Abstract: A recording element substrate includes a substrate, a plurality of energy generating elements arranged on the substrate to form an element row, a plurality of supply ports arranged along the element row to form a supply port row, and a plurality of supply paths extending from the plurality of supply ports along the thickness direction of the substrate, wherein a plurality of beam portions disposed between adjacent supply ports in the direction of the supply port row has a plurality of conductor layers in which a conductor layer including a power supply conductor connected to the energy generating elements and a conductor layer including a ground conductor connected to the energy generating elements, are stacked along the thickness direction of the substrate, and wherein at least one of the plurality of conductor layers is occupied by one power supply conductor or one ground conductor.
    Type: Application
    Filed: September 21, 2018
    Publication date: January 24, 2019
    Inventors: Masataka Sakurai, Nobuyuki Hirayama, Ryo Kasai, Kengo Umeda, Hidenori Yamato, Masanobu Ohmura, Tatsuhito Goden
  • Publication number: 20180370233
    Abstract: An element substrate of a liquid ejection head includes: a base material; an insulating film positioned on the base material; a heating resistance element for generating heat energy for ejecting a liquid; a protective film for covering the heating resistance element; a first electrical wiring layer arranged in the insulating film, for supplying a current to the heating resistance element; a second electrical wiring layer arranged on a layer different from the first electrical wiring layer in the insulating film, for supplying a current to the heating resistance element; and at least one connecting member extending into the insulating film to connect the first electrical wiring layer and the heating resistance element, for causing the current to flow in a first direction, the heating resistance element including a connecting region, extending in a second direction intersecting the first direction, to which the at least one connecting member is connected.
    Type: Application
    Filed: June 27, 2018
    Publication date: December 27, 2018
    Inventors: RYO KASAI, NOBUYUKI HIRAYAMA, MASATAKA SAKURAI, KENGO UMEDA, HIDENORI YAMATO, MAKOTO TAKAGI, TATSUHITO GODEN, SADAYOSHI SAKUMA, NOBUYUKI SUZUKI, TORU ETO
  • Publication number: 20180372539
    Abstract: A photo-detection device includes a quench resistor having one terminal connected to a first node, an avalanche photodiode having one terminal connected to a second node, a waveform shaping circuit having an input terminal connected to the other terminal of the quench resistor and the other terminal of the avalanche photodiode, and a switch arranged on a path between the second node and the input terminal of the waveform shaping circuit.
    Type: Application
    Filed: June 20, 2018
    Publication date: December 27, 2018
    Inventor: Tatsuhito Goden
  • Publication number: 20180352182
    Abstract: A pixel includes a first electrode, a second electrode facing to the first electrode in a first direction, and a third electrode disposed between the first and second electrodes. A photoelectric conversion layer is disposed on the electrodes. Signals for phase difference detection are read from the first and second electrodes. Furthermore, a signal for imaging is read from the third electrode.
    Type: Application
    Filed: May 8, 2018
    Publication date: December 6, 2018
    Inventors: Hidekazu Takahashi, Yukihiro Kuroda, Tatsuhito Goden, Akinari Takagi
  • Patent number: 10105949
    Abstract: A recording element substrate includes a substrate, a plurality of energy generating elements arranged on the substrate to form an element row, a plurality of supply ports arranged along the element row to form a supply port row, and a plurality of supply paths extending from the plurality of supply ports along the thickness direction of the substrate, wherein a plurality of beam portions disposed between adjacent supply ports in the direction of the supply port row has a plurality of conductor layers in which a conductor layer including a power supply conductor connected to the energy generating elements and a conductor layer including a ground conductor connected to the energy generating elements, are stacked along the thickness direction of the substrate, and wherein at least one of the plurality of conductor layers is occupied by one power supply conductor or one ground conductor.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: October 23, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masataka Sakurai, Nobuyuki Hirayama, Ryo Kasai, Kengo Umeda, Hidenori Yamato, Masanobu Ohmura, Tatsuhito Goden
  • Patent number: 10084980
    Abstract: A solid-state image sensor includes an image sensing unit in which a plurality of pixels are arrayed, a plurality of readout units configured to read out signals from the image sensing unit, a detector configured to detect an occurrence of a latch-up in each of the plurality of readout units, and a controller configured to control power supply to the plurality of readout units. The plurality of readout units are configured to read out signals from a same pixel in the image sensing unit. The controller is configured to shut off power supply to at least part of a readout unit in which the occurrence of the latch-up has been detected out of the plurality of readout units and thereafter supply power to the at least part.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: September 25, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Moriyama, Kazuaki Tashiro, Tatsuhito Goden, Toshiaki Ono
  • Patent number: 10035346
    Abstract: An element substrate of a liquid ejection head includes: a base material; an insulating film positioned on the base material; a heating resistance element for generating heat energy for ejecting a liquid; a protective film for covering the heating resistance element; a first electrical wiring layer arranged in the insulating film, for supplying a current to the heating resistance element; a second electrical wiring layer arranged on a layer different from the first electrical wiring layer in the insulating film, for supplying a current to the heating resistance element; and at least one connecting member extending into the insulating film to connect the first electrical wiring layer and the heating resistance element, for causing the current to flow in a first direction, the heating resistance element including a connecting region, extending in a second direction intersecting the first direction, to which the at least one connecting member is connected.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: July 31, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Ryo Kasai, Nobuyuki Hirayama, Masataka Sakurai, Kengo Umeda, Hidenori Yamato, Makoto Takagi, Tatsuhito Goden, Sadayoshi Sakuma, Nobuyuki Suzuki, Toru Eto
  • Publication number: 20180184019
    Abstract: A pixel circuit includes: a first signal output circuit having a first amplification portion with a first input node connected to a first electrode; a second signal output circuit having a second amplification portion with a second input node connected to a second electrode; a first capacitor connected to the first electrode and the first input node; and a first potential control portion configured to control a potential of the first electrode via the first capacitor, wherein the first potential control portion supplies a first potential that collects signal charge generated in a photoelectric conversion layer, or a second potential that transfers the signal charge in a first direction, to the first electrode.
    Type: Application
    Filed: December 18, 2017
    Publication date: June 28, 2018
    Inventors: Tatsuhito Goden, Hidekazu Takahashi