Patents by Inventor Hajime Ikeda

Hajime Ikeda 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).

  • Publication number: 20250093065
    Abstract: A simulator of a learning device simulates a thermal environment of an indoor space predicted to result from air conditioning of the indoor space by an air conditioner in a situation in which at least one of a state of a refrigeration cycle included in the air conditioner and a state of the indoor space is given. A reinforcement learner executes reinforcement learning that employs, as a reward, a value based on the thermal environment simulated by the simulator, and thereby generates a trained model aimed at inferring, from the at least one of the state of the refrigeration cycle and the state of the indoor space, a control value of the air conditioner.
    Type: Application
    Filed: December 22, 2022
    Publication date: March 20, 2025
    Applicant: Mitsubishi Electric Corporation
    Inventor: Hajime IKEDA
  • Publication number: 20250072144
    Abstract: A photoelectric conversion apparatus includes a first substrate having a first semiconductor device layer including a plurality of photoelectric conversion units and a well, and a second substrate having a second semiconductor device layer including a circuit configured to process signals obtained by the plurality of photoelectric conversion units, wherein the first and second substrates are laminated together, wherein the first semiconductor device layer includes an effective pixel region, an optical black pixel region, and an outer periphery region, wherein, in a planar view, a light-blocking region formed by a light-blocking layer overlaps the optical black pixel region, and the light-blocking region does not overlap the outer periphery region, wherein the outer periphery region has a charge draining region including a semiconductor region of the same conductivity type as a signal charge, and wherein a fixed potential is supplied to the charge draining region.
    Type: Application
    Filed: November 14, 2024
    Publication date: February 27, 2025
    Inventors: Yusuke Onuki, Junji Iwata, Yasushi Matsuno, Hajime Ikeda
  • Patent number: 12191325
    Abstract: An apparatus includes pixels on a substrate. Each pixel includes a first portion, a second, and a microlens. The substrate has a first surface on an incidence side and a second surface opposite to the first surface, and includes an inter-pixel portion isolating adjacent pixels from each other, and an intra-pixel portion isolating the first and second portions from each other. The inter-pixel portion includes a first region located adjacently to the first surface, and a second region located adjacently to the second surface. The intra-pixel portion includes a third region located adjacently to the first surface, and a fourth region located adjacently to the second surface. The first and third regions are shifted with respect to the second and fourth regions, respectively, in an identical direction that is a direction orthogonal to a longitudinal direction of the intra-pixel portion in plan view from the first surface.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: January 7, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuya Igarashi, Hajime Ikeda, Shunichi Wakashima, Kohei Okamoto, Koichi Fukuda
  • Patent number: 12176368
    Abstract: A photoelectric conversion apparatus includes a first substrate having a first semiconductor device layer including a plurality of photoelectric conversion units and a well, and a second substrate having a second semiconductor device layer including a circuit configured to process signals obtained by the plurality of photoelectric conversion units, wherein the first and second substrates are laminated together, wherein the first semiconductor device layer includes an effective pixel region, an optical black pixel region, and an outer periphery region, wherein, in a planar view, a light-blocking region formed by a light-blocking layer overlaps the optical black pixel region, and the light-blocking region does not overlap the outer periphery region, wherein the outer periphery region has a charge draining region including a semiconductor region of the same conductivity type as a signal charge, and wherein a fixed potential is supplied to the charge draining region.
    Type: Grant
    Filed: October 26, 2021
    Date of Patent: December 24, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Onuki, Junji Iwata, Yasushi Matsuno, Hajime Ikeda
  • Patent number: 12176358
    Abstract: An apparatus includes pixels each including a conversion unit. The conversion unit includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, and a third semiconductor region of the first conductivity type in order from a light incident surface side, and includes an in-pixel separation portion of the second conductivity type. The second semiconductor region includes a first end and a second end opposing the first end. The conversion unit further includes a fourth semiconductor region between the first and second ends. The in-pixel separation portion separates the first semiconductor region into a first region overlapping the first end and a second region overlapping the second end in a top view from the light incident surface side. A concentration of a second conductivity type impurity is lower in the fourth semiconductor region than in the in-pixel separation portion.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: December 24, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Onuki, Hajime Ikeda, Takafumi Miki, Shunichi Wakashima, Shuhei Hayashi, Takumi Watanabe
  • Patent number: 12177582
    Abstract: A detector includes a unit cell array in which a plurality of unit cells are arranged. The plurality of unit cells include a first unit cell including a first conversion element and a first amplification transistor including a control electrode connected to the first conversion element, the first unit cell being configured to output a signal obtained by amplifying the signal charge by the first amplification transistor, and a second unit cell including a second amplification transistor including a control electrode connected to a constant voltage source, the second amplification transistor being configured to output a signal corresponding to a voltage of the constant voltage source by the second amplification transistor. The first unit cell and the second unit cell are disposed in an irradiated region in the unit cell array, the irradiated region being configured to be irradiated with the energy beam.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: December 24, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Fumiaki Mizutani, Takanori Watanabe, Hajime Ikeda, Zempei Wada
  • Publication number: 20230343798
    Abstract: Provided is a photoelectric conversion device including: a first substrate having a first face; photodiodes arranged in the first substrate and each having a first region that generates signal charges by photoelectrically converting an incident light and a second region that receives the signal charges moving from the first region; a first isolation region arranged in the first substrate at a first depth and including a first portion extending in a first direction so as to isolate the second regions from each other; and a second isolation region arranged in the first substrate at a second depth deeper than the first depth from the first face, and including a second portion extending in a second direction intersecting the first direction in plan view so as to isolate the first regions from each other, and the first and second portions are partially overlapped with each other in plan view.
    Type: Application
    Filed: June 30, 2023
    Publication date: October 26, 2023
    Inventors: Fumihiro Inui, Junji Iwata, Hajime Ikeda, Koichi Fukuda, Kohei Okamoto
  • Patent number: 11742364
    Abstract: Provided is a photoelectric conversion device including: a first substrate having a first face; photodiodes arranged in the first substrate and each having a first region that generates signal charges by photoelectrically converting an incident light and a second region that receives the signal charges moving from the first region; a first isolation region arranged in the first substrate at a first depth and including a first portion extending in a first direction so as to isolate the second regions from each other; and a second isolation region arranged in the first substrate at a second depth deeper than the first depth from the first face, and including a second portion extending in a second direction intersecting the first direction in plan view so as to isolate the first regions from each other, and the first and second portions are partially overlapped with each other in plan view.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: August 29, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Fumihiro Inui, Junji Iwata, Hajime Ikeda, Koichi Fukuda, Kohei Okamoto
  • Patent number: 11735613
    Abstract: A photoelectric conversion apparatus includes a semiconductor layer including a photoelectric conversion portion, a charge holding portion configured to hold electric charge generated from the photoelectric conversion portion, and a charge detection portion to which the electric charge held by the charge holding portion is transferred. A gate electrode of a transistor and a light shielding film including a first portion covering the charge holding portion and a second portion covering an upper surface of the gate electrode are disposed above the semiconductor layer. The distance between the second portion of the light shielding film and the upper surface of the gate electrode is greater than the distance between the first portion of the light shielding film and the semiconductor layer.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: August 22, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshiyuki Ogawa, Hajime Ikeda
  • Publication number: 20220320159
    Abstract: An apparatus includes pixels each including a conversion unit. The conversion unit includes a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type, and a third semiconductor region of the first conductivity type in order from a light incident surface side, and includes an in-pixel separation portion of the second conductivity type. The second semiconductor region includes a first end and a second end opposing the first end. The conversion unit further includes a fourth semiconductor region between the first and second ends. The in-pixel separation portion separates the first semiconductor region into a first region overlapping the first end and a second region overlapping the second end in a top view from the light incident surface side. A concentration of a second conductivity type impurity is lower in the fourth semiconductor region than in the in-pixel separation portion.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 6, 2022
    Inventors: Yusuke Onuki, Hajime Ikeda, Takafumi Miki, Shunichi Wakashima, Shuhei Hayashi, Takumi Watanabe
  • Publication number: 20220285410
    Abstract: A photoelectric conversion member included in a photodiode PD2 is disposed at the position overlapping with a section B1, a photoelectric conversion member included in a photodiode PD1 is disposed at the position overlapping with a section B2, and a photoelectric conversion member included in the photodiode PD1 is disposed at the position overlapping with a section B3. A plurality of electrodes 25 each forming a Metal-Insulator-Semiconductor (MIS) structure together with a semiconductor layer 10 is disposed on a front surface FS of the semiconductor layer 10. At least one of the plurality of electrodes 25 overlaps with at least one of eight sections B2 to B9.
    Type: Application
    Filed: May 23, 2022
    Publication date: September 8, 2022
    Inventors: Yoshiaki Takada, Hajime Ikeda, Keisuke Ota, Yoichiro Handa
  • Publication number: 20220254820
    Abstract: An apparatus includes pixels on a substrate. Each pixel includes a first portion, a second, and a microlens. The substrate has a first surface on an incidence side and a second surface opposite to the first surface, and includes an inter-pixel portion isolating adjacent pixels from each other, and an intra-pixel portion isolating the first and second portions from each other. The inter-pixel portion includes a first region located adjacently to the first surface, and a second region located adjacently to the second surface. The intra-pixel portion includes a third region located adjacently to the first surface, and a fourth region located adjacently to the second surface. The first and third regions are shifted with respect to the second and fourth regions, respectively, in an identical direction that is a direction orthogonal to a longitudinal direction of the intra-pixel portion in plan view from the first surface.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 11, 2022
    Inventors: Kazuya Igarashi, Hajime Ikeda, Shunichi Wakashima, Kohei Okamoto, Koichi Fukuda
  • Patent number: 11393855
    Abstract: A photoelectric conversion apparatus includes a first semiconductor region of a first conductivity type at a first depth from a first surface, a second semiconductor region of a second conductivity type disposed at a second depth deeper than the first depth from the first surface so as to be in contact with the first semiconductor region, and a third semiconductor region of the second conductivity type extending from the first surface to a third depth shallower than the second depth and being in contact with the first semiconductor region and the second semiconductor region. The third semiconductor region has a higher impurity concentration than the second semiconductor region. A second electric potential lower than the first electric potential for a carrier of the first conductivity type is applied to the third semiconductor region. The second semiconductor region has an impurity concentration of 1×1012 [atom/cm3] or less.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: July 19, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hajime Ikeda, Yusuke Onuki
  • Publication number: 20220139985
    Abstract: A photoelectric conversion apparatus includes a first substrate having a first semiconductor device layer including a plurality of photoelectric conversion units and a well, and a second substrate having a second semiconductor device layer including a circuit configured to process signals obtained by the plurality of photoelectric conversion units, wherein the first and second substrates are laminated together, wherein the first semiconductor device layer includes an effective pixel region, an optical black pixel region, and an outer periphery region, wherein, in a planar view, a light-blocking region formed by a light-blocking layer overlaps the optical black pixel region, and the light-blocking region does not overlap the outer periphery region, wherein the outer periphery region has a charge draining region including a semiconductor region of the same conductivity type as a signal charge, and wherein a fixed potential is supplied to the charge draining region.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 5, 2022
    Inventors: Yusuke Onuki, Junji Iwata, Yasushi Matsuno, Hajime Ikeda
  • Patent number: 11309442
    Abstract: A semiconductor substrate has a first surface and a second surface which is opposite to the first surface. A photoelectric conversion portion has a PN junction configured with first and second semiconductor regions of different conductivity types. A buried portion is buried in the semiconductor substrate and includes an electrode and a dielectric member located between the electrode and the semiconductor substrate and in contact with the second semiconductor region. The second semiconductor region is located in a position deeper than the first semiconductor region. The buried portion is located to extend from a first surface to a position deeper than the first semiconductor region. Electric potentials are supplied to the first semiconductor region, the second semiconductor region, and the electrode in such a manner that an inversion layer occurring between the electrode and the second semiconductor region and the first semiconductor region are in contact with each other.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: April 19, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kazuhiro Morimoto, Hajime Ikeda, Junji Iwata
  • Patent number: 11196948
    Abstract: A photo-detection device in one embodiment includes: a first semiconductor region that accumulates a signal charge based on an incident light; a second semiconductor region that is capable of accumulating a signal charge, the number of signal charges that can be accumulated in the second semiconductor region being less than the number of signal charges that can be accumulated in the first semiconductor region; a first gate that transfers the signal charge from the first semiconductor region to the second semiconductor region; and a charge multiplication unit that includes a third semiconductor region and avalanche-multiplies the signal charge transferred from the second semiconductor region to the third semiconductor region.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: December 7, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Hajime Ikeda
  • Publication number: 20210296383
    Abstract: Provided is a photoelectric conversion device including: a first substrate having a first face; photodiodes arranged in the first substrate and each having a first region that generates signal charges by photoelectrically converting an incident light and a second region that receives the signal charges moving from the first region; a first isolation region arranged in the first substrate at a first depth and including a first portion extending in a first direction so as to isolate the second regions from each other; and a second isolation region arranged in the first substrate at a second depth deeper than the first depth from the first face, and including a second portion extending in a second direction intersecting the first direction in plan view so as to isolate the first regions from each other, and the first and second portions are partially overlapped with each other in plan view.
    Type: Application
    Filed: June 4, 2021
    Publication date: September 23, 2021
    Inventors: Fumihiro Inui, Junji Iwata, Hajime Ikeda, Koichi Fukuda, Kohei Okamoto
  • Patent number: 11107853
    Abstract: A photoelectric conversion apparatus includes a semiconductor substrate, first and second micro lenses, a first filter with a transmittance of infrared light, and a second filter with a transmittance of visible light. At least one photoelectric conversion portion disposed so as to overlap the first filter in a planar view and a plurality of photoelectric conversion portions disposed so as to overlap the second filter in the planar view each include a first semiconductor region and a second semiconductor region. An impurity concentration of at least a part of the second semiconductor region of the at least one photoelectric conversion portion is lower than an impurity concentration of a portion in the second semiconductor regions of the plurality of photoelectric conversion portions that is disposed at the same depth as the at least a part of the second semiconductor region.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: August 31, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Taro Kato, Yoichiro Handa, Hajime Ikeda
  • Patent number: 11056519
    Abstract: Provided is a photoelectric conversion device including: a first substrate having a first face; photodiodes arranged in the first substrate and each having a first region that generates signal charges by photoelectrically converting an incident light and a second region that receives the signal charges moving from the first region; a first isolation region arranged in the first substrate at a first depth and including a first portion extending in a first direction so as to isolate the second regions from each other; and a second isolation region arranged in the first substrate at a second depth deeper than the first depth from the first face, and including a second portion extending in a second direction intersecting the first direction in plan view so as to isolate the first regions from each other, and the first and second portions are partially overlapped with each other in plan view.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: July 6, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Fumihiro Inui, Junji Iwata, Hajime Ikeda, Koichi Fukuda, Kohei Okamoto
  • Patent number: RE50318
    Abstract: To provide a technology for controlling weeds and the like.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: March 4, 2025
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Hajime Ikeda