Patents by Inventor Masumi Izuchi

Masumi Izuchi 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: 10998380
    Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter and a voltage application circuit. The photoelectric converter includes a first electrode, a light-transmitting second electrode, a first photoelectric conversion layer containing a first material and a second photoelectric conversion layer containing a second material. The impedance of the first photoelectric conversion layer is larger than the impedance of the second photoelectric conversion layer. The voltage application circuit applies a first voltage or a second voltage having a larger absolute value than the first voltage selectively between the first electrode and the second electrode.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: May 4, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Manabu Nakata, Masumi Izuchi, Shinichi Machida, Yasunori Inoue
  • Publication number: 20210120165
    Abstract: An image generation device includes: a voltage generator that generates a plurality of voltages each having a different voltage value; an image capturer that includes an organic photoconductive film, and performs imaging every time each of the plurality of voltages is applied; a luminance data obtainer that obtains a plurality of luminance data items corresponding to the plurality of voltages applied, each of the plurality of luminance data items being obtained from the imaging performed by the image capturer; and a color image generator that generates a color image based on the plurality of luminance data items.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 22, 2021
    Inventors: Kunio NOBORI, Satoshi SATO, Takeo AZUMA, Nobuhiko WAKAI, Mitsuru HARADA, Shinichi MACHIDA, Masumi IZUCHI
  • Patent number: 10951839
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the pixel electrode and the counter electrode; and a computing circuit that acquires a first signal upon a first voltage being applied between the pixel electrode and the counter electrode, the first signal corresponding to an image captured with visible light and infrared light and a second signal upon a second voltage being applied between the pixel electrode and the counter electrode, the second signal corresponding to an image captured with visible light, and generates a third signal by performing a computation using the first signal and the second signal, the third signal corresponding to an image captured with infrared light.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: March 16, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinichi Machida, Masashi Murakami, Takeyoshi Tokuhara, Masaaki Yanagida, Sanshiro Shishido, Manabu Nakata, Masumi Izuchi
  • Patent number: 10861904
    Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter that converts incident light into electric charges. The photoelectric converter includes: a first electrode; a light-transmitting second electrode; a first photoelectric conversion layer disposed between the first electrode and the second electrode and containing a first material having an absorption peak at a first wavelength; and a second photoelectric conversion layer disposed between the first photoelectric conversion layer and the second electrode and containing a second material having an absorption peak at a second wavelength different from the first wavelength. The absolute value of the ionization potential of the first material is larger by at least 0.2 eV than the absolute value of the ionization potential of the second material.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: December 8, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Manabu Nakata, Masumi Izuchi, Shinichi Machida, Yasunori Inoue
  • Patent number: 10735652
    Abstract: A method for controlling an imaging device having a first mode to perform imaging in a first imaging wavelength band and a second mode to perform imaging in a second imaging wavelength band different from the first imaging wavelength band, and that allows switching of an operation mode from the first mode to the second mode or from the second mode to the first mode. The method including causing the imaging device to perform imaging in the first mode or the second mode; determining, with a predetermined frequency or in response to a predetermined trigger, whether to maintain a current operation mode or switch the current operation mode on the basis of first image information in the first imaging wavelength band and second image information in the second imaging wavelength band; and in accordance with the determination, selectively maintaining the current operation mode or switching the current operation mode.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: August 4, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Manabu Nakata, Shinichi Machida, Takeyoshi Tokuhara, Sanshiro Shishido, Masaaki Yanagida, Masumi Izuchi
  • Publication number: 20200144332
    Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter that converts incident light into electric charges. The photoelectric converter includes: a first electrode; a light-transmitting second electrode; a first photoelectric conversion layer disposed between the first electrode and the second electrode and containing a first material having an absorption peak at a first wavelength; and a second photoelectric conversion layer disposed between the first photoelectric conversion layer and the second electrode and containing a second material having an absorption peak at a second wavelength different from the first wavelength. The absolute value of the ionization potential of the first material is larger by at least 0.2 eV than the absolute value of the ionization potential of the second material.
    Type: Application
    Filed: December 31, 2019
    Publication date: May 7, 2020
    Inventors: Manabu NAKATA, Masumi IZUCHI, Shinichi MACHIDA, Yasunori INOUE
  • Patent number: 10615243
    Abstract: The light-emitting device includes a flexible substrate, a lower barrier layer positioned above the flexible substrate, a light-emitting element and a thin-film transistor controlling the light-emitting element positioned above the lower barrier layer, a first upper barrier layer positioned above the light-emitting element and including a first inorganic material, and a second upper barrier layer positioned above the thin-film transistor and including a second inorganic material. The first upper barrier layer and the second upper barrier layer are spaced from each other at least in a region between the light-emitting element and the thin-film transistor.
    Type: Grant
    Filed: April 30, 2018
    Date of Patent: April 7, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroaki Iijima, Akihito Miyamoto, Kenichi Sasai, Yoshichika Osada, Masumi Izuchi
  • Publication number: 20200091271
    Abstract: The light-emitting device includes a flexible substrate, a lower barrier layer positioned above the flexible substrate, a light-emitting element and a thin-film transistor controlling the light-emitting element positioned above the lower barrier layer, a first upper barrier layer positioned above the light-emitting element and including a first inorganic material, and a second upper barrier layer positioned above the thin-film transistor and including a second inorganic material. The first upper barrier layer and the second upper barrier layer are spaced from each other at least in a region between the light-emitting element and the thin-film transistor.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 19, 2020
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroaki IIJIMA, Akihito MIYAMOTO, Kenichi SASAI, Yoshichika OSADA, Masumi IZUCHI
  • Patent number: 10559629
    Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter that converts incident light into electric charges. The photoelectric converter includes: a first electrode; a light-transmitting second electrode; a first photoelectric conversion layer disposed between the first electrode and the second electrode and containing a first material having an absorption peak at a first wavelength; and a second photoelectric conversion layer disposed between the first photoelectric conversion layer and the second electrode and containing a second material having an absorption peak at a second wavelength different from the first wavelength. The absolute value of the ionization potential of the first material is larger by at least 0.2 eV than the absolute value of the ionization potential of the second material.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: February 11, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Manabu Nakata, Masumi Izuchi, Shinichi Machida, Yasunori Inoue
  • Publication number: 20200036915
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the pixel electrode and the counter electrode; and a computing circuit that acquires a first signal upon a first voltage being applied between the pixel electrode and the counter electrode, the first signal corresponding to an image captured with visible light and infrared light and a second signal upon a second voltage being applied between the pixel electrode and the counter electrode, the second signal corresponding to an image captured with visible light, and generates a third signal by performing a computation using the first signal and the second signal, the third signal corresponding to an image captured with infrared light.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Inventors: Shinichi MACHIDA, Masashi MURAKAMI, Takeyoshi TOKUHARA, Masaaki YANAGIDA, Sanshiro SHISHIDO, Manabu NAKATA, Masumi IZUCHI
  • Patent number: 10477121
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the pixel electrode and the counter electrode; and a computing circuit that acquires a first signal upon a first voltage being applied between the pixel electrode and the counter electrode, the first signal corresponding to an image captured with visible light and infrared light and a second signal upon a second voltage being applied between the pixel electrode and the counter electrode, the second signal corresponding to an image captured with visible light, and generates a third signal by performing a computation using the first signal and the second signal, the third signal corresponding to an image captured with infrared light.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: November 12, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinichi Machida, Masashi Murakami, Takeyoshi Tokuhara, Masaaki Yanagida, Sanshiro Shishido, Manabu Nakata, Masumi Izuchi
  • Publication number: 20190313043
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes.
    Type: Application
    Filed: June 11, 2019
    Publication date: October 10, 2019
    Inventors: Shinichi MACHIDA, Takeyoshi TOKUHARA, Manabu NAKATA, Sanshiro SHISHIDO, Masaaki YANAGIDA, Masumi IZUCHI
  • Publication number: 20190297260
    Abstract: A method for controlling an imaging device having a first mode to perform imaging in a first imaging wavelength band and a second mode to perform imaging in a second imaging wavelength band different from the first imaging wavelength band, and that allows switching of an operation mode from the first mode to the second mode or from the second mode to the first mode. The method including causing the imaging device to perform imaging in the first mode or the second mode; determining, with a predetermined frequency or in response to a predetermined trigger, whether to maintain a current operation mode or switch the current operation mode on the basis of first image information in the first imaging wavelength band and second image information in the second imaging wavelength band; and in accordance with the determination, selectively maintaining the current operation mode or switching the current operation mode.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Inventors: Manabu NAKATA, Shinichi MACHIDA, Takeyoshi TOKUHARA, Sanshiro SHISHIDO, Masaaki YANAGIDA, Masumi IZUCHI
  • Patent number: 10368027
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 30, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinichi Machida, Takeyoshi Tokuhara, Manabu Nakata, Sanshiro Shishido, Masaaki Yanagida, Masumi Izuchi
  • Patent number: 10367998
    Abstract: A method is for controlling an imaging device that allows switching of an operation mode between a first mode to perform imaging in a first imaging wavelength band and a second mode to perform imaging in a second imaging wavelength band different from the first imaging wavelength band. The method includes: determining whether ambient light includes near-infrared light based on information obtained in the first mode and information obtained in the second mode; and maintaining or changing the operation mode.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: July 30, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Manabu Nakata, Shinichi Machida, Takeyoshi Tokuhara, Sanshiro Shishido, Masaaki Yanagida, Masumi Izuchi
  • Publication number: 20190141273
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes.
    Type: Application
    Filed: January 7, 2019
    Publication date: May 9, 2019
    Inventors: Shinichi MACHIDA, Takeyoshi TOKUHARA, Manabu NAKATA, Sanshiro SHISHIDO, Masaaki YANAGIDA, Masumi IZUCHI
  • Publication number: 20190081107
    Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter that converts incident light into electric charges. The photoelectric converter includes: a first electrode; a light-transmitting second electrode; a first photoelectric conversion layer disposed between the first electrode and the second electrode and containing a first material having an absorption peak at a first wavelength; and a second photoelectric conversion layer disposed between the first photoelectric conversion layer and the second electrode and containing a second material having an absorption peak at a second wavelength different from the first wavelength. The absolute value of the ionization potential of the first material is larger by at least 0.2 eV than the absolute value of the ionization potential of the second material.
    Type: Application
    Filed: November 14, 2018
    Publication date: March 14, 2019
    Inventors: MANABU NAKATA, MASUMI IZUCHI, SHINICHI MACHIDA, YASUNORI INOUE
  • Publication number: 20190081106
    Abstract: An imaging device includes at least one unit pixel cell including a photoelectric converter and a voltage application circuit. The photoelectric converter includes a first electrode, a light-transmitting second electrode, a first photoelectric conversion layer containing a first material and a second photoelectric conversion layer containing a second material. The impedance of the first photoelectric conversion layer is larger than the impedance of the second photoelectric conversion layer. The voltage application circuit applies a first voltage or a second voltage having a larger absolute value than the first voltage selectively between the first electrode and the second electrode.
    Type: Application
    Filed: November 13, 2018
    Publication date: March 14, 2019
    Inventors: MANABU NAKATA, MASUMI IZUCHI, SHINICHI MACHIDA, YASUNORI INOUE
  • Patent number: 10212379
    Abstract: An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: February 19, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinichi Machida, Takeyoshi Tokuhara, Manabu Nakata, Sanshiro Shishido, Masaaki Yanagida, Masumi Izuchi
  • Publication number: 20180254312
    Abstract: The light-emitting device includes a flexible substrate, a lower barrier layer positioned above the flexible substrate, a light-emitting element and a thin-film transistor controlling the light-emitting element positioned above the lower barrier layer, a first upper barrier layer positioned above the light-emitting element and including a first inorganic material, and a second upper barrier layer positioned above the thin-film transistor and including a second inorganic material. The first upper barrier layer and the second upper barrier layer are spaced from each other at least in a region between the light-emitting element and the thin-film transistor.
    Type: Application
    Filed: April 30, 2018
    Publication date: September 6, 2018
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LT D.
    Inventors: Hiroaki IIJIMA, Akihito MIYAMOTO, Kenichi SASAI, Yoshichika OSADA, Masumi IZUCHI