Patents by Inventor Tsutomu Imoto

Tsutomu Imoto 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: 20240064425
    Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
    Type: Application
    Filed: October 30, 2023
    Publication date: February 22, 2024
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki NISHIHARA, Tomohiro TAKAHASHI, Masao MATSUMURA, Tsutomu IMOTO
  • Patent number: 11832005
    Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
    Type: Grant
    Filed: March 21, 2023
    Date of Patent: November 28, 2023
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki Nishihara, Tomohiro Takahashi, Masao Matsumura, Tsutomu Imoto
  • Publication number: 20230247314
    Abstract: Suppressing a dead period at the time of mode switching. A solid-state imaging device includes: a plurality of pixels (300) that each outputs a luminance change of incident light; and a detection circuit (305) that outputs an event signal based on the luminance change output from each of the pixels, in which each of the pixels includes: a photoelectric conversion element (311) that generates a charge according to an incident light amount; a logarithmic conversion circuit (312, 313) that is connected to the photoelectric conversion element and converts a photocurrent flowing out of the photoelectric conversion element into a voltage signal corresponding to a logarithmic value of the photocurrent; and a first transistor (318) having a drain connected to a sense node of the logarithmic conversion circuit.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 3, 2023
    Inventors: Tsutomu Imoto, Yusuke Ikeda, Atsumi Niwa, Atsushi Suzuki, Shinichirou Etou, Kenichi Takamiya, Takuya Maruyama, Ren Hiyoshi
  • Publication number: 20230224601
    Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
    Type: Application
    Filed: March 21, 2023
    Publication date: July 13, 2023
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki NISHIHARA, Tomohiro TAKAHASHI, Masao MATSUMURA, Tsutomu IMOTO
  • Publication number: 20230209218
    Abstract: Solid-state imaging devices are disclosed. In one example, a solid-state imaging device includes detection pixels that each output a luminance change of incident light, a detection circuit that outputs an event signal based on the luminance change, and a first common line connecting the detection pixels to each other. Each of the detection pixels may include a photoelectric conversion element, a logarithmic conversion circuit that outputs a voltage signal corresponding to a logarithmic value of photocurrent from the photoelectric conversion element, a first circuit that outputs a luminance change of incident light based on the voltage signal, a first transistor connected between the photoelectric conversion element and the logarithmic conversion circuit, and a second transistor connected between the photoelectric conversion element and the first common line. The detection circuit includes a second circuit that outputs the event signal based on the luminance change output from each of the detection pixels.
    Type: Application
    Filed: April 26, 2021
    Publication date: June 29, 2023
    Inventors: Takuya Maruyama, Tsutomu Imoto, Atsumi Niwa
  • Patent number: 11670664
    Abstract: The present technology relates to a light-receiving element and a distance measurement module. A light-receiving element includes: a first voltage application unit to which a voltage is applied; a first charge detection unit that is disposed at a periphery of the first voltage application unit; a second voltage application unit to which a voltage is applied; a second charge detection unit that is disposed at a periphery of the second voltage application unit; a third voltage application unit to which a first voltage is applied; and a voltage control unit that applies a second voltage to one of the first voltage application unit and the second a voltage application unit and causes the other to be in a floating state, the second voltage being different from the first voltage. The present technology is applicable to a light-receiving element.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: June 6, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Takuya Maruyama, Yuji Isogai, Tsutomu Imoto, Takuro Murase, Ryota Watanabe
  • Patent number: 11652175
    Abstract: The present technology relates to a light reception device and a distance measurement module whose characteristic can be improved. The light reception device includes an on-chip lens, a wiring layer, and a semiconductor layer arranged between the on-chip lens and the wiring layer. The semiconductor layer includes a first tap having a first voltage application portion and a first charge detection portion arranged around the first voltage application portion, and a second tap having a second voltage application portion and a second charge detection portion arranged around the second voltage application portion. Furthermore, the light reception device is configured such that a phase difference is detected using signals detected by the first tap and the second tap. The present technology can be applied, for example, to a light reception device that generates distance information, for example, by a ToF method, and so forth.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: May 16, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Takuro Murase, Ryota Watanabe, Toshifumi Wakano, Takuya Maruyama, Yusuke Otake, Tsutomu Imoto, Yuji Isogai
  • Patent number: 11641529
    Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: May 2, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Toshiyuki Nishihara, Tomohiro Takahashi, Masao Matsumura, Tsutomu Imoto
  • Publication number: 20230061837
    Abstract: A sensor device according to the present technology includes a first chip including a first semiconductor substrate and a first wire formation layer and including a pixel that includes a photoelectric conversion element, and a first transfer gate element and a second transfer gate element configured to transfer accumulated charges of the photoelectric conversion element, and a second chip including a second semiconductor substrate and a second wire formation layer, in which a first wire electrically connected to the first transfer gate element, a second wire electrically connected to the second transfer gate element, and a third wire electrically connected to a ground are formed, and each of the first wire, the second wire, and the third wire is formed by bonding a first portion formed in the first wire formation layer and extending in a first direction and a second portion formed in the second wire formation layer and extending in the first direction.
    Type: Application
    Filed: January 6, 2021
    Publication date: March 2, 2023
    Inventors: TSUTOMU IMOTO, MASAHIRO HOSOYA, YUSUKE OTAKE
  • Publication number: 20230049306
    Abstract: A light receiving element according to the present disclosure includes a sensor substrate (102) and a circuit board (101). The sensor substrate (102) is provided with a light receiving region (103), a pair of voltage application electrodes, and an incident surface electrode (104). The light receiving region (103) photoelectrically converts incident light into signal charges. A voltage is alternately applied to the pair of voltage application electrodes to generate, in the light receiving region (103), an electric field that time-divides the signal charges and distributes the signal charges to a pair of charge accumulation electrodes. The incident surface electrode (104) is provided on an incident surface of light in the light receiving region (103), and a voltage equal to or lower than a ground potential is applied to the incident surface electrode. The circuit board (101) is provided on a surface facing the incident surface of the light, of the sensor substrate (102).
    Type: Application
    Filed: January 13, 2021
    Publication date: February 16, 2023
    Inventor: TSUTOMU IMOTO
  • Publication number: 20220368841
    Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 17, 2022
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki NISHIHARA, Tomohiro TAKAHASHI, Masao MATSUMURA, Tsutomu IMOTO
  • Patent number: 11431927
    Abstract: The present technology relates to an imaging element that can reduce noise. The imaging element includes: a photoelectric conversion element; a first amplification element that amplifies a signal from the photoelectric conversion element; a second amplification element that amplifies an output from the first amplification element; an offset element provided between the first amplification element and the second amplification element; a first reset element that resets the first amplification element; and a second reset element that resets the second amplification element. The offset element is a capacitor. A charge is accumulated in the offset element via a feedback loop of an output from the second amplification element, and an offset bias is generated. The present technology can be applied to an imaging element.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: August 30, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki Nishihara, Tomohiro Takahashi, Masao Matsumura, Tsutomu Imoto
  • Patent number: 11378659
    Abstract: The present technology relates to a light reception device and a distance measurement module. The light reception device includes an on-chip lens, a wiring layer, and a semiconductor layer between the on-chip lens and the wiring layer. The semiconductor layer includes a first tap to which a first voltage is applied and a first charge detection portion, and a second tap to which a second voltage different from the first voltage is applied and a second charge detection portion. The position of the on-chip lens differs depending upon an in-plane position of a pixel array section, so that an optical path length or a DC contrast of a chief ray from an object is uniform at in-plane pixels of the pixel array section. The present technology can be applied, for example, to a light reception device that generates distance information, for example, by a ToF method, and so forth.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: July 5, 2022
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yuji Isogai, Tsutomu Imoto, Takuya Maruyama, Takuro Murase, Ryota Watanabe, Toshifumi Wakano
  • Patent number: 11313980
    Abstract: The present technology relates to a radiation detection apparatus that makes it possible to obtain a projection image of a radiation in a short period of time. The radiation detection apparatus includes a scintillator that emits scintillation light in response to incidence of a radiation, a pixel substrate on which a plurality of pixels each of which photoelectrically converts the scintillation light and outputs a pixel signal according to a light amount of the scintillation light is disposed in an array, a detection circuit substrate that includes an A/D (Analog to Digital) conversion unit for A/D converting the pixel signal and is stacked on the pixel substrate, and a compression unit that compresses digital data outputted from the A/D conversion unit. The present technology can be applied, for example, to an X-ray imaging apparatus that detects an X-ray to perform imaging and so forth.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: April 26, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Toshiyuki Nishihara, Tsutomu Imoto, Masao Matsumura, Hiroyasu Baba
  • Publication number: 20210364604
    Abstract: The present technology relates to a light reception device and a distance measurement module. The light reception device includes an on-chip lens, a wiring layer, and a semiconductor layer between the on-chip lens and the wiring layer. The semiconductor layer includes a first tap to which a first voltage is applied and a first charge detection portion, and a second tap to which a second voltage different from the first voltage is applied and a second charge detection portion. The position of the on-chip lens differs depending upon an in-plane position of a pixel array section, so that an optical path length or a DC contrast of a chief ray from an object is uniform at in-plane pixels of the pixel array section. The present technology can be applied, for example, to a light reception device that generates distance information, for example, by a ToF method, and so forth.
    Type: Application
    Filed: July 4, 2019
    Publication date: November 25, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Yuji ISOGAI, Tsutomu IMOTO, Takuya MARUYAMA, Takuro MURASE, Ryota WATANABE, Toshifumi WAKANO
  • Publication number: 20210320218
    Abstract: The present technology relates to a light-receiving element and a distance-measuring module for enabling improvement of characteristics. A light-receiving element includes an on-chip lens, a wiring layer, a first substrate arranged between the on-chip lens and the wiring layer, and a second substrate bonded to the first substrate via the wiring layer, the first substrate includes a first voltage application portion to which a first voltage is applied, a second voltage application portion to which a second voltage different from the first voltage is applied, a first charge detection portion arranged around the first voltage application portion, and a second charge detection portion arranged around the second voltage application portion, and the second substrate includes a plurality of pixel transistors that performs an operation of reading charges detected in the first and second charge detection portions.
    Type: Application
    Filed: July 4, 2019
    Publication date: October 14, 2021
    Inventors: TSUTOMU IMOTO, YUJI ISOGAI, TAKUYA MARUYAMA, TAKURO MURASE, RYOTA WATANABE
  • Publication number: 20210270941
    Abstract: The present technology relates to a light-receiving element and a distance-measuring module for enabling improvement of characteristics. A light-receiving element includes an on-chip lens, a wiring layer, and a semiconductor layer arranged between the on-chip lens and the wiring layer, the semiconductor layer includes a first voltage application portion to which a first voltage is applied, a second voltage application portion to which a second voltage different from the first voltage is applied, a first charge detection portion arranged around the first voltage application portion, and a second charge detection portion arranged around the second voltage application portion, and the wiring layer includes at least one ground line having a wider line width than a power supply line. The present technology can be applied to, for example, a light-receiving element that generates distance information by a ToF method.
    Type: Application
    Filed: July 4, 2019
    Publication date: September 2, 2021
    Inventors: RYOTA WATANABE, TOSHIFUMI WAKANO, TAKURO MURASE, TAKUYA MARUYAMA, TSUTOMU IMOTO, YUJI ISOGAI
  • Patent number: 11079476
    Abstract: A light-receiving element includes an on-chip lens; an interconnection layer; and a semiconductor layer that is disposed between the on-chip lens and the interconnection layer. The semiconductor layer includes a first voltage application unit to which a first voltage is applied, a second voltage application unit to which a second voltage different from the first voltage is applied, a first charge detection unit that is disposed at the periphery of the first voltage application unit, a second charge detection unit that is disposed at the periphery of the second voltage application unit, and a charge discharge region that is provided on an outer side of an effective pixel region. For example, the present technology is applicable to a light-receiving element that generates distance information in a ToF method, or the like.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: August 3, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Tsutomu Imoto, Yuji Isogai, Takuya Maruyama, Takuro Murase, Ryota Watanabe, Takeshi Yamazaki
  • Publication number: 20210225907
    Abstract: The present technology relates to a light-receiving element and a distance measurement module which are capable of improving characteristics. A light-receiving element includes: a first voltage application unit to which a voltage is applied; a first charge detection unit that is disposed at a periphery of the first voltage application unit; a second voltage application unit to which a voltage is applied; a second charge detection unit that is disposed at a periphery of the second voltage application unit; a third voltage application unit to which a first voltage is applied; and a voltage control unit that applies a second voltage to one of the first voltage application unit and the second a voltage application unit and causes the other to be in a floating state, the second voltage being different from the first voltage. The present technology is applicable to a light-receiving element.
    Type: Application
    Filed: July 4, 2019
    Publication date: July 22, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Takuya MARUYAMA, Yuji ISOGAI, Tsutomu IMOTO, Takuro MURASE, Ryota WATANABE
  • Publication number: 20210135022
    Abstract: The present technology relates to a light reception device and a distance measurement module whose characteristic can be improved. The light reception device includes an on-chip lens, a wiring layer, and a semiconductor layer arranged between the on-chip lens and the wiring layer. The semiconductor layer includes a first tap having a first voltage application portion and a first charge detection portion arranged around the first voltage application portion, and a second tap having a second voltage application portion and a second charge detection portion arranged around the second voltage application portion. Furthermore, the light reception device is configured such that a phase difference is detected using signals detected by the first tap and the second tap. The present technology can be applied, for example, to a light reception device that generates distance information, for example, by a ToF method, and so forth.
    Type: Application
    Filed: July 4, 2019
    Publication date: May 6, 2021
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Takuro MURASE, Ryota WATANABE, Toshifumi WAKANO, Takuya MARUYAMA, Yusuke OTAKE, Tsutomu IMOTO, Yuji ISOGAI