Patents by Inventor Masayoshi Akita

Masayoshi Akita 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: 11457801
    Abstract: The present technology relates to an image processing device, an image processing method, an endoscope system, and a program that enable motion detection with higher accuracy. The endoscope system includes: a light source capable of performing a pulsed-light emission; a light-source control unit that controls the light source such that the light source performs the pulsed-light emission a plurality of times in an exposure time period of each captured image; an imaging unit that takes the captured images; and a motion detection unit that detects a motion of a photographic subject in the captured images. The present technology is applicable to the endoscope system.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: October 4, 2022
    Assignee: SONY CORPORATION
    Inventors: Daisuke Kikuchi, Akio Furukawa, Masayoshi Akita, Mitsunori Ueda, Hiroshi Ichiki, Tsuneo Hayashi, Yuki Sugie
  • Patent number: 11399698
    Abstract: To enable calculation a wavelength shift amount more accurately. A light source system is provided including a light source unit configured to emit a light beam, and a calculation unit configured to calculate a wavelength shift amount of the light beam on the basis of an output from a color sensor that detects the light beam.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: August 2, 2022
    Assignee: SONY CORPORATION
    Inventors: Tomoyuki Oki, Hirotaka Muramatsu, Zenya Nagashima, Masayoshi Akita, Akio Furukawa
  • Publication number: 20210282630
    Abstract: The present technology relates to an image processing device, an image processing method, an endoscope system, and a program that enable motion detection with higher accuracy. The endoscope system includes: a light source capable of performing a pulsed-light emission; a light-source control unit that controls the light source such that the light source performs the pulsed-light emission a plurality of times in an exposure time period of each captured image; an imaging unit that takes the captured images; and a motion detection unit that detects a motion of a photographic subject in the captured images. The present technology is applicable to the endoscope system.
    Type: Application
    Filed: July 12, 2017
    Publication date: September 16, 2021
    Inventors: DAISUKE KIKUCHI, AKIO FURUKAWA, MASAYOSHI AKITA, MITSUNORI UEDA, HIROSHI ICHIKI, TSUNEO HAYASHI, YUKI SUGIE
  • Publication number: 20210120646
    Abstract: To enable calculation a wavelength shift amount more accurately. A light source system is provided including a light source unit configured to emit a light beam, and a calculation unit configured to calculate a wavelength shift amount of the light beam on the basis of an output from a color sensor that detects the light beam.
    Type: Application
    Filed: May 11, 2018
    Publication date: April 22, 2021
    Applicant: Sony Corporation
    Inventors: Tomoyuki OKI, Hirotaka MURAMATSU, Zenya NAGASHIMA, Masayoshi AKITA, Akio FURUKAWA
  • Patent number: 10904981
    Abstract: Provided is a medical light source device that includes a light source part including two or more semiconductor light-emitting devices having wavelengths of emitted light different from each other. The light source part generates light of predetermined chromaticity by mixing the light emitted from each of the semiconductor light-emitting devices and emits outward the generated light of the chromaticity as illumination light. The medical light source device further includes a control unit that controls a mixing rate of the light emitted from each of the semiconductor light-emitting devices based on a light amount setting value of the illumination light emitted from the light source part, and keeps the chromaticity constant regardless of a light amount of the illumination light.
    Type: Grant
    Filed: February 16, 2018
    Date of Patent: January 26, 2021
    Assignee: SONY CORPORATION
    Inventors: Zenya Nagashima, Tomoyuki Oki, Masayoshi Akita, Hirotaka Muramatsu, Akio Furukawa
  • Publication number: 20200154548
    Abstract: To more easily inhibit a change in chromaticity that occurs at the time of light amount fluctuation of semiconductor light-emitting devices without providing a feedback system. A medical light source device according to the present disclosure includes: a light source part including two or more semiconductor light-emitting devices having wavelengths of emitted light different from each other, the light source part being configured to generate light of predetermined chromaticity by mixing the light emitted from each of the semiconductor light-emitting devices and emitting outward the generated light of the chromaticity as illumination light; and a control unit configured to control a mixing rate of the light emitted from each of the semiconductor light-emitting devices in accordance with a light amount setting value of the illumination light emitted from the light source part, the control unit being configured to keep the chromaticity constant regardless of a light amount of the illumination light.
    Type: Application
    Filed: February 16, 2018
    Publication date: May 14, 2020
    Inventors: ZENYA NAGASHIMA, TOMOYUKI OKI, MASAYOSHI AKITA, HIROTAKA MURAMATSU, AKIO FURUKAWA
  • Patent number: 10652973
    Abstract: [Object] To propose a control apparatus, a control system and a control method which are capable of causing another light source to adaptively emit light at a timing at which light emitted from one light source changes. [Solution] A control apparatus including: a light source control unit configured to control light emission of a second light source on the basis of profile of light emitted from a first light source and a synchronization signal for synchronizing a timing between the first light source and the second light source for radiating light on a surgical region.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: May 12, 2020
    Assignee: SONY CORPORATION
    Inventors: Masayoshi Akita, Tsuneo Hayashi, Yuki Sugie, Akio Furukawa, Mitsunori Ueda, Hiroshi Ichiki, Daisuke Kikuchi
  • Publication number: 20190261498
    Abstract: [Object] To propose a control apparatus, a control system and a control method which are capable of causing another light source to adaptively emit light at a timing at which light emitted from one light source changes. [Solution] A control apparatus including: a light source control unit configured to control light emission of a second light source on the basis of profile of light emitted from a first light source and a synchronization signal for synchronizing a timing between the first light source and the second light source for radiating light on a surgical region.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 22, 2019
    Applicant: Sony Corporation
    Inventors: Masayoshi AKITA, Tsuneo HAYASHI, Yuki SUGIE, Akio FURUKAWA, Mitsunori UEDA, Hiroshi ICHIKI, Daisuke KIKUCHI
  • Publication number: 20190154953
    Abstract: [Object] To propose a control apparatus, a control system and a control method which are capable of appropriately determining an irradiation period in a scene in which light is radiated at the same time as imaging. [Solution] A control apparatus including: a light source control unit configured to determine a period in accordance with a period between an exposure start timing of a first line in an image pickup element and an exposure end timing of a second line in the image pickup element as an irradiation period during which a light source unit is caused to radiate light. The second line is a line in which start of exposure in one frame is earlier than in the first line.
    Type: Application
    Filed: March 24, 2017
    Publication date: May 23, 2019
    Applicant: SONY CORPORATION
    Inventors: YUKI SUGIE, DAISUKE KIKUCHI, HIROSHI ICHIKI, TSUNEO HAYASHI, MASAYOSHI AKITA, MITSUNORI UEDA, AKIO FURUKAWA
  • Patent number: 9925540
    Abstract: There is provided a nucleic acid analysis apparatus including a heating unit configured to apply heat by contacting a microchip, and a chip holding unit configured to change a position between a first holding position that holds the microchip in midair and a second holding position that holds the microchip in contact with the heating unit.
    Type: Grant
    Filed: May 27, 2013
    Date of Patent: March 27, 2018
    Assignee: SONY CORPORATION
    Inventors: Toshio Watanabe, Masayoshi Akita, Takanori Anaguchi
  • Publication number: 20150251184
    Abstract: There is provided a nucleic acid analysis apparatus including a heating unit configured to apply heat by contacting a microchip, and a chip holding unit configured to change a position between a first holding position that holds the microchip in midair and a second holding position that holds the microchip in contact with the heating unit.
    Type: Application
    Filed: May 27, 2013
    Publication date: September 10, 2015
    Inventors: Toshio Watanabe, Masayoshi Akita, Takanori Anaguchi
  • Patent number: 8786683
    Abstract: Embodiments of the invention provide an image display device that is switchable between a two-dimensional display mode, a three-dimensional display mode enabling non-autostereoscopic image display, and a three-dimensional display mode enabling autostereoscopic image display. In one embodiment, the image display device comprises a display panel operable to transmit light corresponding to image data; a polarization state conversion section comprising a first polarization segment for converting light transmitted by the display device to a first polarization state, and a second polarization segment for converting light transmitted by the display device to a second polarization state; and an optical separation element that is placed, via application of a voltage, in an on state in which light transmitted by the display panel is refracted or an off state in which light transmitted by the display panel is not refracted.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: July 22, 2014
    Assignee: Sony Corporation
    Inventor: Masayoshi Akita
  • Publication number: 20140134077
    Abstract: There is provided a sample liquid injection tool including a reservoir section configured to store a sample liquid, a channel having one end protruding from an outer surface and configured to discharge the sample liquid therein from a protrusion end to an outside, and a heating unit and a filter installed between the reservoir section and the channel to enable passage of the liquid.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 15, 2014
    Applicant: Sony Corporation
    Inventors: Tasuku Yotoriyama, Yuji Segawa, Michihiro Ohnishi, Yoshiaki Kato, Tomoteru Abe, Kenzo Machida, Masahiro Matsumoto, Tomohiko Nakamura, Naohisa Sakamoto, Hidetoshi Watanabe, Takanori Anaguchi, Masayoshi Akita, Masahiro Miyachi
  • Patent number: 8638402
    Abstract: A stereoscopic display includes: a display panel configured to display an image in either one of two or more arrangement states including a first arrangement state and a second arrangement state which are switchable with each other; and a lens array device arranged to face a display surface of the display panel. The lens array device produces a lens effect in a direction, the direction of effect being changed between in the first arrangement state and in the second arrangement state. The display panel includes an array of a plurality of sub-pixels, and a combination of sub-pixels used as a unit pixel is changed between in the first arrangement state and in the second arrangement state.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: January 28, 2014
    Assignee: Sony Corporation
    Inventors: Sho Sakamoto, Kenichi Takahashi, Koji Ishioka, Masayoshi Akita
  • Patent number: 8436953
    Abstract: A stereoscopic display includes: a display panel configured to display an image in either one of two or more arrangement states including a first arrangement state and a second arrangement state which are switchable with each other; and a lens array device arranged to face a display surface of the display panel. The lens array device produces a lens effect in a direction, the direction of effect being changed between in the first arrangement state and in the second arrangement state. The display panel includes an array of a plurality of sub-pixels, and a combination of sub-pixels used as a unit pixel is changed between in the first arrangement state and in the second arrangement state.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: May 7, 2013
    Assignee: Sony Corporation
    Inventors: Sho Sakamoto, Kenichi Takahashi, Koji Ishioka, Masayoshi Akita
  • Publication number: 20110122128
    Abstract: Embodiments of the invention provide an image display device that is switchable between a two-dimensional display mode, a three-dimensional display mode enabling non-autostereoscopic image display, and a three-dimensional display mode enabling autostereoscopic image display. In one embodiment, the image display device comprises a display panel operable to transmit light corresponding to image data; a polarization state conversion section comprising a first polarization segment for converting light transmitted by the display device to a first polarization state, and a second polarization segment for converting light transmitted by the display device to a second polarization state; and an optical separation element that is placed, via application of a voltage, in an on state in which light transmitted by the display panel is refracted or an off state in which light transmitted by the display panel is not refracted.
    Type: Application
    Filed: November 15, 2010
    Publication date: May 26, 2011
    Applicant: Sony Corporation
    Inventor: Masayoshi Akita
  • Patent number: 7944617
    Abstract: A lens array device and an image display device using the lens array device, which allow a lens effect characteristic different from that of a single variable lens array to be easily obtained, are provided. The lens array device includes a variable lens array and a fixed lens array. The variable lens array includes a plurality of variable lenses each having electrically-adjustable refracting power. The fixed lens array includes a plurality of fixed lenses each provided in correspondence to each of the plurality of variable lenses. Each of the fixed lenses has a refracting power which, once a corresponding variable lens has come to have a first refracting power, allows the first refracting power to be cancelled out.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: May 17, 2011
    Assignee: Sony Corporation
    Inventors: Koji Ishioka, Sho Sakamoto, Hiroyuki Okita, Yuichi Takai, Kenichi Takahashi, Masayoshi Akita, Yasuhiro Watanabe
  • Publication number: 20100259697
    Abstract: A stereoscopic display includes: a display panel configured to display an image in either one of two or more arrangement states including a first arrangement state and a second arrangement state which are switchable with each other; and a lens array device arranged to face a display surface of the display panel. The lens array device produces a lens effect in a direction, the direction of effect being changed between in the first arrangement state and in the second arrangement state. The display panel includes an array of a plurality of sub-pixels, and a combination of sub-pixels used as a unit pixel is changed between in the first arrangement state and in the second arrangement state.
    Type: Application
    Filed: March 19, 2010
    Publication date: October 14, 2010
    Applicant: SONY CORPORATION
    Inventors: Sho SAKAMOTO, Kenichi TAKAHASHI, Koji ISHIOKA, Masayoshi AKITA
  • Publication number: 20100195190
    Abstract: A lens array device and an image display device using the lens array device, which allow a lens effect characteristic different from that of a single variable lens array to be easily obtained, are provided. The lens array device includes a variable lens array and a fixed lens array. The variable lens array includes a plurality of variable lenses each having electrically-adjustable refracting power. The fixed lens array includes a plurality of fixed lenses each provided in correspondence to each of the plurality of variable lenses. Each of the fixed lenses has a refracting power which, once a corresponding variable lens has come to have a first refracting power, allows the first refracting power to be cancelled out.
    Type: Application
    Filed: January 20, 2010
    Publication date: August 5, 2010
    Applicant: SONY CORPORATION
    Inventors: Koji Ishioka, Sho Sakamoto, Hiroyuki Okita, Yuichi Takai, Kenichi Takahashi, Masayoshi Akita, Yasuhiro Watanabe