Patents by Inventor Toshiyuki Nishihara

Toshiyuki Nishihara 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: 10883931
    Abstract: Provided are an optical measuring instrument, a flow cytometer, and a radiation counter which reduces a size and a weight of a photodetector, and enables detection of weak pulsed light with a high degree of accuracy and at a high speed. A laser beam source irradiates a specimen to be measured with a laser beam and generates a light pulse of intensity corresponding to the irradiation. An imaging element provided with a pixel including a photoelectric conversion element and an amplification element which sequentially accumulates charges subjected to photoelectric conversion by the photoelectric conversion element for a predetermined period and outputs a voltage as a pixel signal according to an accumulated charge amount after the accumulation is completed through the amplification element, and detects a light amount of the light pulse on the basis of a pixel signals of a pixel group.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: January 5, 2021
    Assignee: SONY CORPORATION
    Inventors: Toshiyuki Nishihara, Kenichi Okumura
  • Publication number: 20200382727
    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: August 18, 2020
    Publication date: December 3, 2020
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Toshiyuki NISHIHARA, Tomohiro TAKAHASHI, Masao MATSUMURA, Tsutomu IMOTO
  • Patent number: 10852183
    Abstract: The present technology relates to an optical pulse detection device, an optical pulse detection method, a radiation counter device, and a biological testing device which are capable of performing radiation counting in a more accurate manner. The optical pulse detection device includes a pixel array unit in which a plurality of pixels are arranged in a two-dimensional lattice shape, an AD converter that converts output signals of each of the pixels in the pixel array unit into digital values with gradation greater than 1 bit, and an output control circuit that performs error determination processing of comparing the digital value with a predetermined threshold value, and discarding a digital value, which is greater than the threshold value, among the digital values as an error. For example, the present technology is applicable to a radiation counter device, and the like.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: December 1, 2020
    Assignee: Sony Semiconductors Solutions Corporation
    Inventors: Toshiyuki Nishihara, Keniichi Okumura
  • Patent number: 10841518
    Abstract: An imaging device includes: a pixel array section having an array of pixels, each of which has a photoelectric converting device and outputs an electric signal according to an input photon; a sense circuit section having a plurality of sensor circuits each of which makes binary decision on whether there is a photon input to a pixel in a predetermined period upon reception of the electric signal therefrom; and a decision result IC section which integrates decision results from the sense circuits, pixel by pixel or for each group of pixels, multiple times to generate imaged data with a gradation, the decision result IC section including a count circuit which performs a count process to integrate the decision results from the sense circuits, and a memory for storing a counting result for each pixel from the count circuit, the sense circuits sharing the count circuit for integrating the decision results.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: November 17, 2020
    Assignee: Sony Corporation
    Inventor: Toshiyuki Nishihara
  • Patent number: 10816680
    Abstract: The present disclosure relates to a detection device and electronic equipment, in which a detection accuracy of minute light can be improved. A detection device includes: a pixel array portion in which a plurality of first pixels including a photoelectric conversion unit, and a plurality of second pixels not including a photoelectric conversion unit, are arranged; and a driving unit configured to drive the first pixel and the second pixel. The present technology, for example, can be applied to a light detector, a radiation counter device performing radiation counting by using the light detector, and a biological examination device using the light detector, such as a flow cytometer.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: October 27, 2020
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki Nishihara, Masao Matsumura, Tsutomu Imoto
  • Patent number: 10771719
    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 14, 2017
    Date of Patent: September 8, 2020
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Toshiyuki Nishihara, Tomohiro Takahashi, Masao Matsumura, Tsutomu Imoto
  • Publication number: 20200200923
    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: Application
    Filed: July 11, 2018
    Publication date: June 25, 2020
    Inventors: TOSHIYUKI NISHIHARA, TSUTOMU IMOTO, MASAO MATSUMURA, HIROYASU BABA
  • Publication number: 20200116875
    Abstract: A radiation counting device is provided that includes a scintillator, a pixel circuit, and an analog-to-digital conversion circuit. In the radiation counting device, the scintillator generates a photon when radiation is incident. In the radiation counting device, the pixel circuit converts the photon into charge, stores the charge over a predetermined period, and generates an analog voltage in accordance with the amount of stored charge. In the radiation counting device, the analog-to-digital conversion circuit converts the analog voltage into a digital signal in a predetermined quantization unit less than the analog voltage generated from the one photon.
    Type: Application
    Filed: December 13, 2019
    Publication date: April 16, 2020
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventor: Toshiyuki Nishihara
  • Patent number: 10591618
    Abstract: The X-ray detection device according to an aspect of the present disclosure includes a scintillator that generates scintillation light in response to incident X-rays; a detection unit including a plurality of pixels each generating a pixel signal in response to the scintillation light incident thereon; and an output unit that generates X-ray two-dimensional projection data by using the pixel signals of the pixels. A pixel of the detection unit includes a plurality of subpixels that performs photoelectric conversion in response to the scintillation light; an AD conversion unit that applies AD conversion to outputs of the subpixels; and an adder that generates the pixel signal corresponding to the pixel by adding up outputs of the plurality of subpixels after the AD conversion. The present disclosure is applicable to an X-ray CT device and an X-ray FPD device.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: March 17, 2020
    Assignee: SONY CORPORATION
    Inventors: Toshiyuki Nishihara, Kenichi Okumura, Tsutomu Imoto, Masao Matsumura
  • Publication number: 20200068146
    Abstract: An imaging device includes: a pixel array section having an array of pixels, each of which has a photoelectric converting device and outputs an electric signal according to an input photon; a sense circuit section having a plurality of sensor circuits each of which makes binary decision on whether there is a photon input to a pixel in a predetermined period upon reception of the electric signal therefrom; and a decision result IC section which integrates decision results from the sense circuits, pixel by pixel or for each group of pixels, multiple times to generate imaged data with a gradation, the decision result IC section including a count circuit which performs a count process to integrate the decision results from the sense circuits, and a memory for storing a counting result for each pixel from the count circuit, the sense circuits sharing the count circuit for integrating the decision results.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 27, 2020
    Inventor: Toshiyuki Nishihara
  • Patent number: 10509133
    Abstract: A radiation counting device is provided that includes a scintillator, a pixel circuit, and an analog-to-digital conversion circuit. In the radiation counting device, the scintillator generates a photon when radiation is incident. In the radiation counting device, the pixel circuit converts the photon into charge, stores the charge over a predetermined period, and generates an analog voltage in accordance with the amount of stored charge. In the radiation counting device, the analog-to-digital conversion circuit converts the analog voltage into a digital signal in a predetermined quantization unit less than the analog voltage generated from the one photon.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: December 17, 2019
    Assignee: Sony Semiconductor Solutions Corporation
    Inventor: Toshiyuki Nishihara
  • Patent number: 10506185
    Abstract: An imaging device includes: a pixel array section having an array of pixels, each of which has a photoelectric converting device and outputs an electric signal according to an input photon; a sense circuit section having a plurality of sensor circuits each of which makes binary decision on whether there is a photon input to a pixel in a predetermined period upon reception of the electric signal therefrom; and a decision result IC section which integrates decision results from the sense circuits, pixel by pixel or for each group of pixels, multiple times to generate imaged data with a gradation, the decision result IC section including a count circuit which performs a count process to integrate the decision results from the sense circuits, and a memory for storing a counting result for each pixel from the count circuit, the sense circuits sharing the count circuit for integrating the decision results.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 10, 2019
    Assignee: Sony Corporation
    Inventor: Toshiyuki Nishihara
  • Publication number: 20190349538
    Abstract: An imaging device includes: a pixel array section having an array of pixels, each of which has a photoelectric converting device and outputs an electric signal according to an input photon; a sense circuit section having a plurality of sensor circuits each of which makes binary decision on whether there is a photon input to a pixel in a predetermined period upon reception of the electric signal therefrom; and a decision result IC section which integrates decision results from the sense circuits, pixel by pixel or for each group of pixels, multiple times to generate imaged data with a gradation, the decision result IC section including a count circuit which performs a count process to integrate the decision results from the sense circuits, and a memory for storing a counting result for each pixel from the count circuit, the sense circuits sharing the count circuit for integrating the decision results.
    Type: Application
    Filed: May 16, 2019
    Publication date: November 14, 2019
    Inventor: Toshiyuki Nishihara
  • Patent number: 10412329
    Abstract: An imaging apparatus with logarithmic characteristics includes: a photodiode that receives light; a well tap unit that fixes the potential of an N-type region of the photodiode; and a resetting unit that resets the photodiode, a P-type region of the photodiode outputting a voltage signal equivalent to a photocurrent subjected to logarithmic compression. The first potential to be supplied to the well tap unit is made lower than the second potential to be supplied to the resetting unit, so that the capacitance formed with the PN junction of the photodiode is charged when the resetting unit performs a reset operation. The present technology can be applied to unit pixels having logarithmic characteristics.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: September 10, 2019
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yorito Sakano, Tsutomu Imoto, Hideo Nomura, Yoshiaki Tashiro, Toshiyuki Nishihara, Muriel Cohen, Frederick Brady
  • Publication number: 20190222783
    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 14, 2017
    Publication date: July 18, 2019
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Toshiyuki NISHIHARA, Tomohiro TAKAHASHI, Masao MATSUMURA, Tsutomu IMOTO
  • Patent number: 10341589
    Abstract: An imaging device includes: a pixel array section having an array of pixels, each of which has a photoelectric converting device and outputs an electric signal according to an input photon; a sense circuit section having a plurality of sensor circuits each of which makes binary decision on whether there is a photon input to a pixel in a predetermined period upon reception of the electric signal therefrom; and a decision result IC section which integrates decision results from the sense circuits, pixel by pixel or for each group of pixels, multiple times to generate imaged data with a gradation, the decision result IC section including a count circuit which performs a count process to integrate the decision results from the sense circuits, and a memory for storing a counting result for each pixel from the count circuit, the sense circuits sharing the count circuit for integrating the decision results.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: July 2, 2019
    Assignee: Sony Corporation
    Inventor: Toshiyuki Nishihara
  • Publication number: 20190154850
    Abstract: The present disclosure relates to a detection device and electronic equipment, in which a detection accuracy of minute light can be improved. A detection device includes: a pixel array portion in which a plurality of first pixels including a photoelectric conversion unit, and a plurality of second pixels not including a photoelectric conversion unit, are arranged; and a driving unit configured to drive the first pixel and the second pixel. The present technology, for example, can be applied to a light detector, a radiation counter device performing radiation counting by using the light detector, and a biological examination device using the light detector, such as a flow cytometer.
    Type: Application
    Filed: July 7, 2017
    Publication date: May 23, 2019
    Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Toshiyuki NISHIHARA, Masao MATSUMURA, Tsutomu IMOTO
  • Publication number: 20190094391
    Abstract: The present disclosure relates to an X-ray detection device and a detection method, which can improve a sampling rate and spatial resolution without increasing an exposure dose to a subject. The X-ray detection device according to an aspect of the present disclosure includes: a scintillator adapted to generate scintillation light in response to incident X-rays; a detection unit including a plurality of pixels each generating a pixel signal in response to the scintillation light incident thereon; and an output unit adapted to generate the X-ray two-dimensional projection data by using the pixel signals of the pixels, in which the pixel of the detection unit includes: a plurality of subpixels adapted to perform photoelectric conversion in response to the scintillation light; an AD conversion unit adapted to apply AD conversion to outputs of the subpixels; and an adder adapted to generate the pixel signal corresponding to the pixel by adding up outputs of the plurality of subpixels after the AD conversion.
    Type: Application
    Filed: April 7, 2017
    Publication date: March 28, 2019
    Inventors: TOSHIYUKI NISHIHARA, KENICHI OKUMURA, TSUTOMU IMOTO, MASAO MATSUMURA
  • Publication number: 20190049374
    Abstract: The present disclosure relates to an optical measuring instrument, a flow cytometer, and a radiation counter which reduces a size and a weight of a photodetector, and enables detection of weak pulsed light with a high degree of accuracy and at a high speed. A laser beam source irradiates a specimen to be measured with a laser beam and generates a light pulse of intensity corresponding to the irradiation.
    Type: Application
    Filed: February 10, 2017
    Publication date: February 14, 2019
    Inventors: TOSHIYUKI NISHIHARA, KENICHI OKUMURA
  • Patent number: D847031
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: April 30, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Mitsuru Kobayashi, Toshiyuki Nishihara