Patents by Inventor Hirokazu Nakanishi

Hirokazu Nakanishi 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: 10891722
    Abstract: Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF indicating a correlation of HDR luminance and code values. The method includes: acquiring the video data; performing, regarding each of multiple pixels making up the video in the acquired video data, first determining of determining whether luminance of that pixel exceeds a first predetermined luminance; performing, regarding each of the multiple pixels, dual tone mapping where luminance of that pixel is reduced by a different format in a case of the luminance of the pixel being found to exceed the first predetermined luminance from the first determining, and a case of the luminance of the pixel being found to be equal to or lower than the first predetermined luminance; and displaying the video on the display device using the results of the dual tone mapping.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: January 12, 2021
    Assignee: Panasonic Intellectual Property Corporation of America
    Inventors: Masayuki Kozuka, Takashi Higashida, Yoshihiro Mori, Haruyasu Hirakawa, Tadamasa Toma, Hirokazu Nakanishi
  • Patent number: 10782574
    Abstract: An image display device includes a first liquid crystal panel, a second liquid crystal panel which faces a rear surface of the first liquid crystal panel, and a backlight which irradiates a rear surface of the second liquid crystal panel with light. The first liquid crystal panel includes a first front polarizer on a front surface of the first liquid crystal panel, a first rear polarizer on the rear surface of the first liquid crystal panel, and a first liquid crystal cell between the first front and rear polarizers. The second liquid crystal panel includes a second front polarizer on a front surface of the second liquid crystal panel, a second rear polarizer disposed on the rear surface of the second liquid crystal pane, and smaller than the first rear polarizer in top view, and a second liquid crystal cell between the second front and rear polarizers.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: September 22, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hirokazu Nakanishi, Takashi Higashida
  • Publication number: 20200264469
    Abstract: An image display device includes a first liquid crystal panel, a second liquid crystal panel which faces a rear surface of the first liquid crystal panel, and a backlight which irradiates a rear surface of the second liquid crystal panel with light. The first liquid crystal panel includes a first front polarizer on a front surface of the first liquid crystal panel, a first rear polarizer on the rear surface of the first liquid crystal panel, and a first liquid crystal cell between the first front and rear polarizers. The second liquid crystal panel includes a second front polarizer on a front surface of the second liquid crystal panel, a second rear polarizer disposed on the rear surface of the second liquid crystal pane, and smaller than the first rear polarizer in top view, and a second liquid crystal cell between the second front and rear polarizers.
    Type: Application
    Filed: July 10, 2018
    Publication date: August 20, 2020
    Inventors: Hirokazu NAKANISHI, Takashi HIGASHIDA
  • Patent number: 10738753
    Abstract: A control device for a vehicle includes an electronic control unit. The electronic control unit executes control for prohibiting stop-and-start control until a predetermined period elapses after an ignition switch is turned ON. The electronic control unit executes scene-specific electric power supply control for operating a first function group that is a specific function and stopping a function other than the first function group in accordance with a state of the vehicle at a time when the ignition switch is turned OFF. The electronic control unit sets the predetermined period during which the stop-and-start control is prohibited longer in a case where the first function group is in an operating state than in a case where the first function group is not in an operating state when the ignition switch is turned ON.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: August 11, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirokazu Kato, Kensuke Nakanishi, Marina Aragi
  • Publication number: 20200232120
    Abstract: A layer of a crystal of a group 13 nitride selected from gallium nitride, aluminum nitride, indium nitride and the mixed crystals thereof has an upper surface and a bottom surface. The upper surface of a crystal layer of the group 13 nitride includes a linear high-luminance light-emitting part and a low-luminance light-emitting region adjacent to the high-luminance light-emitting part, observed by cathode luminescence. The high-luminance light-emitting part includes a portion extending along an m-plane of the crystal of the group 13 nitride. A normal line to the upper surface has an off-angle of 2.0° or less with respect to <0001> direction of the crystal of the nitride of the group 13 element.
    Type: Application
    Filed: February 21, 2020
    Publication date: July 23, 2020
    Inventors: Takayuki HIRAO, Hirokazu NAKANISHI, Mikiya ICHIMURA, Takanao SHIMODAIRA, Masahiro SAKAI, Takashi YOSHINO
  • Publication number: 20200203573
    Abstract: It is provided a layer of a crystal of a nitride of a group 13 element selected from gallium nitride, aluminum nitride, indium nitride and the mixed crystals thereof, and the layer includes an upper surface and a bottom surface. The upper surface includes a linear high-luminance light-emitting part and a low-luminance light-emitting region adjacent to the high-luminance light-emitting part, and the high-luminance light-emitting part has a portion extending along an m-plane of the crystal of the nitride of the group 13 element, in the case that the upper surface is observed by cathode luminescence. The upper surface has an arithmetic average roughness Ra of 0.05 nm or more and 1.0 nm or less.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 25, 2020
    Inventors: Takayuki HIRAO, Hirokazu NAKANISHI, Mikiya ICHIMURA, Takanao SHIMODAIRA, Masahiro SAKAI, Takashi YOSHINO
  • Publication number: 20200194626
    Abstract: A layer of a crystal of a group 13 nitride selected from gallium nitride, aluminum nitride, indium nitride and the mixed crystals thereof has an upper surface and a bottom surface. The upper surface of a crystal layer of the group 13 nitride includes a linear high-luminance light-emitting part and a low-luminance light-emitting region adjacent to the high-luminance light-emitting part, observed by cathode luminescence. The high-luminance light-emitting part includes a portion extending along an m-plane of the crystal of the group 13 nitride.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Inventors: Takayuki HIRAO, Hirokazu NAKANISHI, Mikiya ICHIMURA, Takanao SHIMODAIRA, Masahiro SAKAI, Takashi YOSHINO
  • Publication number: 20200194621
    Abstract: A layer of a crystal of a group 13 nitride selected from gallium nitride, aluminum nitride, indium nitride and the mixed crystals thereof has an upper surface and a bottom surface. The upper surface of a crystal layer of the group 13 nitride includes a linear high-luminance light-emitting part and a low-luminance light-emitting region adjacent to the high-luminance light-emitting part, observed by cathode luminescence. The high-luminance light-emitting part includes a portion extending along an m-plane of the crystal of the group 13 nitride. The crystal of the nitride of the group 13 element contains oxygen atoms in a content of 1×1018 atom/cm3 or less, silicon atoms, manganese atoms, carbon atoms, magnesium atoms and calcium atoms in contents of 1×1017 atom/cm3 or less, chromium atoms in a content of 1×1016 atom/cm3 or less and chlorine atoms in a content of 1×1015 atom/cm3 or less.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Inventors: Takayuki HIRAO, Hirokazu NAKANISHI, Mikiya ICHIMURA, Takanao SHIMODAIRA, Masahiro SAKAI, Takashi YOSHINO
  • Publication number: 20200190695
    Abstract: It is provided a layer of a crystal of a group 13 nitride having an upper surface and lower surface and composed of a crystal of the group 13 nitride selected from gallium nitride, aluminum nitride, indium nitride or the mixed crystals thereof. In the case that the upper surface of the layer of the crystal of the group 13 nitride is observed by cathode luminescence, the upper surface includes a linear high-luminance light-emitting part and a low-luminance light-emitting region adjacent to the high-luminance light-emitting part. A half value width of reflection at (0002) plane of an X-ray rocking curve on the upper surface is 3000 seconds or less and 20 seconds or more.
    Type: Application
    Filed: February 21, 2020
    Publication date: June 18, 2020
    Inventors: Takayuki HIRAO, Hirokazu NAKANISHI, Mikiya ICHIMURA, Takanao SHIMODAIRA, Masahiro SAKAI, Takashi YOSHINO
  • Patent number: 10638476
    Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit a beacon signal including first information to specify a first wireless communication device to be reassigned a slot and a start timing to allow use of a reassigned slot, and transmit, after transmission of the first information, a first signal including second information to specify the reassigned slot, the first signal being a signal different from the beacon signal and a receiver configured to receive a signal.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: April 28, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko Matsuo, Toshiyuki Nakanishi, Toshihisa Nabetani, Hirokazu Tanaka
  • Patent number: 10561749
    Abstract: Provided is a radioactive labeled compound capable of detecting a secondary mutation of an epidermal growth factor receptor, where the compound is represented by Formula (1) or a pharmaceutically acceptable salt thereof, where R1, R2, and Y are as defined.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: February 18, 2020
    Assignees: Kyoto University, ARKRAY, Inc.
    Inventors: Hideo Saji, Hiroyuki Kimura, Anna Miyazaki, Hirokazu Matsuda, Shuichi Nakanishi
  • Patent number: 10531450
    Abstract: According to one embodiment, a communication processing device mounted in a wireless communication device which uses a first channel and a second channel, includes controlling circuitry. The circuitry is configured to control to transmit, through the first channel, a first announcement signal including channel information of the second channel and control to transmit, through the second channel, a second announcement signal when slot allocation of a target communication device in the second channel is determined to be changed, the second announcement signal including a notification of the change in the slot allocation of the target communication device.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: January 7, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko Matsuo, Toshihisa Nabetani, Toshiyuki Nakanishi, Hirokazu Tanaka
  • Patent number: 10497319
    Abstract: A display device includes a display panel that displays an image, a backlight that includes a light emitting surface that emits light toward a rear surface of the display panel, the light emitting surface being divided into a plurality of light emitting regions, and a controller that independently determines luminance of the backlight for each of the plurality of light emitting regions according to each luminance of a plurality of image regions in the image respectively corresponding to the plurality of light emitting regions. When the backlight satisfies a predetermined condition, while comparing each determined luminance of the plurality of light emitting regions with a threshold, the controller decreases luminance of a light emitting region having luminance greater than the threshold, and maintains luminance of a light emitting region having luminance not greater than the threshold.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: December 3, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Hirokazu Nakanishi
  • Publication number: 20190340734
    Abstract: Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF indicating a correlation of HDR luminance and code values. The method includes: acquiring the video data; performing, regarding each of multiple pixels making up the video in the acquired video data, first determining of determining whether luminance of that pixel exceeds a first predetermined luminance; performing, regarding each of the multiple pixels, dual tone mapping where luminance of that pixel is reduced by a different format in a case of the luminance of the pixel being found to exceed the first predetermined luminance from the first determining, and a case of the luminance of the pixel being found to be equal to or lower than the first predetermined luminance; and displaying the video on the display device using the results of the dual tone mapping.
    Type: Application
    Filed: July 16, 2019
    Publication date: November 7, 2019
    Inventors: Masayuki KOZUKA, Takashi HIGASHIDA, Yoshihiro MORI, Haruyasu HIRAKAWA, Tadamasa TOMA, Hirokazu NAKANISHI
  • Patent number: 10402953
    Abstract: Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF indicating a correlation of HDR luminance and code values. The method includes: acquiring the video data; performing, regarding each of multiple pixels making up the video in the acquired video data, first determining of determining whether luminance of that pixel exceeds a first predetermined luminance; performing, regarding each of the multiple pixels, dual tone mapping where luminance of that pixel is reduced by a different format in a case of the luminance of the pixel being found to exceed the first predetermined luminance from the first determining, and a case of the luminance of the pixel being found to be equal to or lower than the first predetermined luminance; and displaying the video on the display device using the results of the dual tone mapping.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: September 3, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Masayuki Kozuka, Takashi Higashida, Yoshihiro Mori, Haruyasu Hirakawa, Tadamasa Toma, Hirokazu Nakanishi
  • Publication number: 20190180701
    Abstract: A display device is a display device having a display that displays an image based on a received image signal. This display device includes: a memory that stores maximum luminance information regarding maximum luminance that the display can display; a determiner that determines whether the image signal is an HDR image signal specified by relative luminance; a first converter that, when the determiner determines that the image signal is the HDR image signal specified by the relative luminance, subjects luminance information obtained from the image signal to nonlinear conversion based on a luminance characteristic of the display; and a second converter that converts the luminance information that has been subjected to the nonlinear conversion by the first converter such that the display displays an image at increased luminance within a luminance range determined in accordance with the maximum luminance information.
    Type: Application
    Filed: September 4, 2017
    Publication date: June 13, 2019
    Inventors: HIROKAZU NAKANISHI, TAKASHI HIGASHIDA
  • Publication number: 20190174488
    Abstract: According to one embodiment, a wireless communication device includes a transmitter configured to transmit a beacon signal including first information to specify a first wireless communication device to be reassigned a slot and a start timing to allow use of a reassigned slot, and transmit, after transmission of the first information, a first signal including second information to specify the reassigned slot the first signal being a signal different from the beacon signal and a receiver configured to receive a signal.
    Type: Application
    Filed: January 17, 2019
    Publication date: June 6, 2019
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryoko Matsuo, Toshiyuki Nakanishi, Toshihisa Nabetani, Hirokazu Tanaka
  • Publication number: 20180308434
    Abstract: A display device includes a display panel that displays an image, a backlight that includes a light emitting surface that emits light toward a rear surface of the display panel, the light emitting surface being divided into a plurality of light emitting regions, and a controller that independently determines luminance of the backlight for each of the plurality of light emitting regions according to each luminance of a plurality of image regions in the image respectively corresponding to the plurality of light emitting regions. When the backlight satisfies a predetermined condition, while comparing each determined luminance of the plurality of light emitting regions with a threshold, the controller decreases luminance of a light emitting region having luminance greater than the threshold, and maintains luminance of a light emitting region having luminance not greater than the threshold.
    Type: Application
    Filed: September 14, 2016
    Publication date: October 25, 2018
    Inventor: HIROKAZU NAKANISHI
  • Publication number: 20180061026
    Abstract: Provided is a display method of displaying, on a display device, video of video data where luminance of video is defined by a first EOTF indicating a correlation of HDR luminance and code values. The method includes: acquiring the video data; performing, regarding each of multiple pixels making up the video in the acquired video data, first determining of determining whether luminance of that pixel exceeds a first predetermined luminance; performing, regarding each of the multiple pixels, dual tone mapping where luminance of that pixel is reduced by a different format in a case of the luminance of the pixel being found to exceed the first predetermined luminance from the first determining, and a case of the luminance of the pixel being found to be equal to or lower than the first predetermined luminance; and displaying the video on the display device using the results of the dual tone mapping.
    Type: Application
    Filed: October 27, 2017
    Publication date: March 1, 2018
    Inventors: MASAYUKI KOZUKA, TAKASHI HIGASHIDA, YOSHIHIRO MORI, HARUYASU HIRAKAWA, TADAMASA TOMA, HIROKAZU NAKANISHI
  • Patent number: 9894763
    Abstract: It is provided an insulating substrate including through holes 2 for conductors arranged in the insulating substrate. A thickness of the insulating substrate is 25 to 300 ?m , and a diameter of the through hole is 20 to 100 ?m . The insulating substrate is composed of an alumina sintered body. A relative density and an average grain size of the alumina sintered body is 99.5 percent or higher and 2 to 50 ?m , respectively.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: February 13, 2018
    Assignee: NGK INSULATORS, LTD.
    Inventors: Tatsuro Takagaki, Yasunori Iwasaki, Sugio Miyazawa, Akiyoshi Ide, Hirokazu Nakanishi