Patents by Inventor Yuichi Motohashi

Yuichi Motohashi 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: 20240155264
    Abstract: An imaging system according to the present disclosure includes: an imaging device that is mounted in a vehicle, and captures and generates an image of a peripheral region of the vehicle; and a processing device that is mounted in the vehicle, and executes processing related to a function of controlling the vehicle on the basis of the image. The imaging device includes: a first control line, a first voltage generator that applies a first voltage to the first control line, a first signal line, a plurality of pixels that applies a pixel voltage to the first signal line, a first dummy pixel that applies a voltage corresponding to the first voltage of the first control line to the first signal line in a first period, a converter including a first converter that performs AD conversion on the basis of a voltage of the first signal line in the first period to generate a first digital code, and a diagnosis section that performs diagnosis processing on the basis of the first digital code.
    Type: Application
    Filed: January 4, 2024
    Publication date: May 9, 2024
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Atsushi Suzuki, Junichiro Azami, Yuichi Motohashi
  • Patent number: 11902681
    Abstract: An imaging system according to the present disclosure includes: an imaging device that is mounted in a vehicle, and captures and generates an image of a peripheral region of the vehicle; and a processing device that is mounted in the vehicle, and executes processing related to a function of controlling the vehicle on the basis of the image. The imaging device includes: a first control line, a first voltage generator that applies a first voltage to the first control line, a first signal line, a plurality of pixels that applies a pixel voltage to the first signal line, a first dummy pixel that applies a voltage corresponding to the first voltage of the first control line to the first signal line in a first period, a converter including a first converter that performs AD conversion on the basis of a voltage of the first signal line in the first period to generate a first digital code, and a diagnosis section that performs diagnosis processing on the basis of the first digital code.
    Type: Grant
    Filed: October 2, 2020
    Date of Patent: February 13, 2024
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Atsushi Suzuki, Junichiro Azami, Yuichi Motohashi
  • Patent number: 11818333
    Abstract: An imaging device according to an embodiment of the present disclosure includes a pixel array including a plurality of pixels, a scanning control section that controls scanning of the plurality of pixels, and a readout control section that controls reading of the plurality of pixels. The imaging device further includes a first waveform generation part that generates a plurality of control signals for controlling of at least one of the scanning control section or the readout control section, a second waveform generation part that generates a plurality of reference signals, and a failure detection section that detects a failure of the first waveform generation part or the second waveform generation part on a basis of comparison between the plurality of control signals and the plurality of reference signals.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 14, 2023
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Keita Sasaki, Naoki Kawazu, Masaki Murozuka, Yuichi Motohashi
  • Publication number: 20230336867
    Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.
    Type: Application
    Filed: June 20, 2023
    Publication date: October 19, 2023
    Inventors: NAOKI KAWAZU, KEITA SASAKI, TAKUMI OKA, YUICHI MOTOHASHI, ATSUSHI SUZUKI
  • Patent number: 11729496
    Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.
    Type: Grant
    Filed: May 3, 2022
    Date of Patent: August 15, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Yuichi Motohashi, Atsushi Suzuki
  • Publication number: 20230254442
    Abstract: An imaging device capable of reporting more reliably an occurrence of trouble is provided. The imaging device of the present disclosure includes an imaging sensor configured to generate image data, a diagnosis circuit configured to perform diagnosis processing for the imaging sensor and an output circuit configured to output a flag signal corresponding to a result of the diagnosis processing, wherein the flag signal is set to a ground level signal in response to the result of the diagnosis processing indicating an error.
    Type: Application
    Filed: April 13, 2023
    Publication date: August 10, 2023
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Masaki Murozuka, Yuichi Motohashi, Atsushi Suzuki
  • Patent number: 11722799
    Abstract: An imaging device having first and second pixels is described. The first pixel includes a first transfer transistor, a first reset transistor, a first amplifier transistor and a first select transistor. The second pixel includes a first photoelectric conversion element, a second transfer transistor, a second reset transistor, a second amplifier transistor and a second select transistor.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: August 8, 2023
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Motonobu Torii, Yuichi Motohashi, Atsushi Suzuki, Junichiro Azami
  • Patent number: 11711633
    Abstract: An imaging device includes an imaging unit that generates image data on the basis of a first power voltage, an image processing unit that performs image processing on the image data on the basis of a second power voltage, a reference voltage generating unit that generates a first reference voltage on the basis of the first power voltage and a first flag generating unit that generates a first flag signal for the second power voltage on the basis of a comparison of the second power voltage and the first reference voltage and configured to output the first flag signal.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: July 25, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Naoki Kawazu, Mohammad Munirul Haque, Yuichi Motohashi, Atsushi Suzuki
  • Patent number: 11686630
    Abstract: To obtain an imaging device that can improve temperature detection accuracy. An imaging device of the present disclosure includes a processing unit formed on a first semiconductor substrate and capable of performing predetermined image processing on the basis of image data obtained by an imaging unit, a temperature sensor formed on the first semiconductor substrate and capable of generating a detection signal according to a temperature, and a first pad electrode formed on the first semiconductor substrate and electrically insulated from a circuit formed on the first semiconductor substrate.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: June 27, 2023
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Mohammad Munirul Haque, Nobuhiko Fujimori, Makoto Satou, Masahiro Baba, Satoshi Yamamoto, Yuichi Motohashi, Atsushi Suzuki
  • Patent number: 11671555
    Abstract: To obtain imaging device capable of reporting more reliably an occurrence of trouble. The imaging device of the present disclosure includes an imaging sensor configured to generate image data, a diagnosis circuit configured to perform diagnosis processing for the imaging sensor and an output circuit configured to output a flag signal corresponding to a result of the diagnosis processing, wherein the flag signal is set to a ground level signal in response to the result of the diagnosis processing indicating an error.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: June 6, 2023
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Masaki Murozuka, Yuichi Motohashi, Atsushi Suzuki
  • Publication number: 20230112723
    Abstract: An imaging device having first and second pixels is described. The first pixel includes a first transfer transistor, a first reset transistor, a first amplifier transistor and a first select transistor. The second pixel includes a first photoelectric conversion element, a second transfer transistor, a second reset transistor, a second amplifier transistor and a second select transistor.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 13, 2023
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Motonobu Torii, Yuichi Motohashi, Atsushi Suzuki, Junichiro Azami
  • Publication number: 20230071178
    Abstract: The present technology relates to a signal processing device, a signal processing method, and a program for enabling reduction of a processing load while ensuring safety. The signal processing device includes a control unit configured to acquire designation information indicating a designated portion to be encrypted in output data and an encryption processing unit configured to encrypt the designated portion indicated by the designation information in the output data using a key. Furthermore, the designated portion indicated by the designation information is changed with time. The present technology can be applied to an in-vehicle camera.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: TATSUYA KANEKO, YUICHI MOTOHASHI
  • Publication number: 20220408045
    Abstract: An imaging device includes an imaging unit that generates image data on the basis of a first power voltage, an image processing unit that performs image processing on the image data on the basis of a second power voltage, a reference voltage generating unit that generates a first reference voltage on the basis of the first power voltage and a first flag generating unit that generates a first flag signal for the second power voltage on the basis of a comparison of the second power voltage and the first reference voltage and configured to output the first flag signal.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 22, 2022
    Inventors: NAOKI KAWAZU, MOHAMMAD MUNIRUL HAQUE, YUICHI MOTOHASHI, ATSUSHI SUZUKI
  • Patent number: 11463647
    Abstract: An imaging device includes an imaging unit that generates image data on the basis of a first power voltage, an image processing unit that performs image processing on the image data on the basis of a second power voltage, a reference voltage generating unit that generates a first reference voltage on the basis of the first power voltage, and a first flag generating unit that generates a first flag signal for the second power voltage on the basis of a comparison of the second power voltage and the first reference voltage and outputs the first flag signal.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: October 4, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Naoki Kawazu, Mohammad Munirul Haque, Yuichi Motohashi, Atsushi Suzuki
  • Publication number: 20220279121
    Abstract: Provided is an imaging device that includes an imaging unit that performs an imaging operation, a data generator that generates first power supply voltage data corresponding to a first power supply voltage and a flag generation section that generates a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.
    Type: Application
    Filed: May 3, 2022
    Publication date: September 1, 2022
    Inventors: NAOKI KAWAZU, KEITA SASAKI, TAKUMI OKA, YUICHI MOTOHASHI, ATSUSHI SUZUKI
  • Patent number: 11343427
    Abstract: An imaging device according to the present disclosure includes: an imaging unit configured to perform an imaging operation; a data generator configured to generate first power supply voltage data corresponding to a first power supply voltage; and a flag generation section configured to generate a flag signal for the first power supply voltage by comparing the first power supply voltage data and first reference data. The first power supply voltage is supplied to the imaging unit.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: May 24, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Yuichi Motohashi, Atsushi Suzuki
  • Patent number: 11330212
    Abstract: An imaging device according to the present disclosure includes a plurality of pixels each including a first light-receiving element and a second light-receiving element, the plurality of pixels including a first pixel. The imaging device further includes a generating section that generates a first detection value on a basis of a light-receiving result by the first light-receiving element of each of the plurality of pixels, and generates a second detection value on a basis of a light-receiving result by the second light-receiving element of each of the plurality of pixels. The imaging device further includes a diagnosis section that performs a diagnosis processing on a basis of a detection ratio that is a ratio between the first detection value and the second detection value in the first pixel.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: May 10, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Mohammad Munirul Haque, Yuichi Motohashi, Atsushi Suzuki
  • Publication number: 20220060682
    Abstract: An imaging device according to an embodiment of the present disclosure includes a pixel array including a plurality of pixels, a scanning control section that controls scanning of the plurality of pixels, and a readout control section that controls reading of the plurality of pixels. The imaging device further includes a first waveform generation part that generates a plurality of control signals for controlling of at least one of the scanning control section or the readout control section, a second waveform generation part that generates a plurality of reference signals, and a failure detection section that detects a failure of the first waveform generation part or the second waveform generation part on a basis of comparison between the plurality of control signals and the plurality of reference signals.
    Type: Application
    Filed: December 19, 2019
    Publication date: February 24, 2022
    Inventors: Keita Sasaki, Naoki Kawazu, Masaki Murozuka, Yuichi Motohashi
  • Publication number: 20210152768
    Abstract: An imaging system according to the present disclosure includes: an imaging device that is mounted in a vehicle, and captures and generates an image of a peripheral region of the vehicle; and a processing device that is mounted in the vehicle, and executes processing related to a function of controlling the vehicle on the basis of the image. The imaging device includes: a first control line, a first voltage generator that applies a first voltage to the first control line, a first signal line, a plurality of pixels that applies a pixel voltage to the first signal line, a first dummy pixel that applies a voltage corresponding to the first voltage of the first control line to the first signal line in a first period, a converter including a first converter that performs AD conversion on the basis of a voltage of the first signal line in the first period to generate a first digital code, and a diagnosis section that performs diagnosis processing on the basis of the first digital code.
    Type: Application
    Filed: October 2, 2020
    Publication date: May 20, 2021
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Atsushi Suzuki, Junichiro Azami, Yuichi Motohashi
  • Publication number: 20210041305
    Abstract: To obtain an imaging device that can improve temperature detection accuracy. An imaging device of the present disclosure includes a processing unit formed on a first semiconductor substrate and capable of performing predetermined image processing on the basis of image data obtained by an imaging unit, a temperature sensor formed on the first semiconductor substrate and capable of generating a detection signal according to a temperature, and a first pad electrode formed on the first semiconductor substrate and electrically insulated from a circuit formed on the first semiconductor substrate.
    Type: Application
    Filed: January 23, 2019
    Publication date: February 11, 2021
    Applicant: Sony Semiconductor Solutions Corporation
    Inventors: Naoki Kawazu, Keita Sasaki, Takumi Oka, Mohammad Munir Haque, Nobuhiko Fujimori, Makoto Satou, Masahiro Baba, Satoshi Yamamoto, Yuichi Motohashi, Atsushi Suzuki