Patents by Inventor Akio Furukawa

Akio Furukawa 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: 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
  • Patent number: 10849486
    Abstract: It is enabled to more appropriately prevent thermal damage to an area irradiated with illumination light. An image acquisition system is provided including: a first light source unit that emits narrow band light having a peak intensity in a specific band; a second light source unit that emits wide band light having a band wider than the specific band; a generation unit that generates multiplexed light by using the narrow band light and the wide band light; an imaging unit that images an irradiation target of the multiplexed light; a prediction unit that performs prediction of a temperature of an area irradiated with the multiplexed light in the irradiation target; and a control unit that performs control of outputs of the narrow band light and the wide band light on the basis of the prediction.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: December 1, 2020
    Assignee: SONY CORPORATION
    Inventors: Tomoyuki Oki, Akio Furukawa
  • Patent number: 10842367
    Abstract: An illumination apparatus includes an optical apparatus configured to optically process laser light to produce illumination light such that speckle noise in the illumination light is reduced. The optical apparatus includes at least one collimator (130) configured to collimate the laser light and a diffuser (140) configured to diffuse the laser light.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: November 24, 2020
    Assignee: Sony Corporation
    Inventors: Goh Matsunobu, Takashi Yamaguchi, Akio Furukawa
  • Patent number: 10805511
    Abstract: An illuminating device includes an image acquisition system configured to adjust a plurality of light sources on the basis of a correlation between luminance acquired from an image processing device and the light amounts of the emission light beams. Accordingly, the color temperature of the image processing device can be accurately adjusted because the illuminating device can control the plurality of light sources by individual adjustment to output a desired light.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: October 13, 2020
    Assignee: SONY CORPORATION
    Inventors: Tomoyuki Oki, 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: 20200129591
    Abstract: A composition having tissue repair activity, which is capable of promoting reactions associated with tissue repair, contains at least one selected from the group consisting of a first component that is a protein having a monocyte chemotactic protein-1 (MCP-1) activity, a second component that is a protein having the extracellular domain activity of sialic acid-binding immunoglobulin-type lectin-9 (Siglec-9), and a third component that is at least one of chondroitin sulfate and chondroitin sulfate proteoglycan.
    Type: Application
    Filed: November 1, 2019
    Publication date: April 30, 2020
    Applicant: TOKUSHIMA UNIVERSITY
    Inventors: Akihito YAMAMOTO, Minoru UEDA, Kohki MATSUBARA, Akio SUZUMURA, Koichi FURUKAWA, Yoshihiro MATSUSHITA, Hirotaka WAKAYAMA, Nobunori TAKAHASHI, Shin TSUNEKAWA, Takako IZUMOTO
  • Publication number: 20200069164
    Abstract: It is enabled to more appropriately prevent thermal damage to an area irradiated with illumination light. An image acquisition system is provided including: a first light source unit that emits narrow band light having a peak intensity in a specific band; a second light source unit that emits wide band light having a band wider than the specific band; a generation unit that generates multiplexed light by using the narrow band light and the wide band light; an imaging unit that images an irradiation target of the multiplexed light; a prediction unit that performs prediction of a temperature of an area irradiated with the multiplexed light in the irradiation target; and a control unit that performs control of outputs of the narrow band light and the wide band light on the basis of the prediction.
    Type: Application
    Filed: March 14, 2018
    Publication date: March 5, 2020
    Applicant: Sony Corporation
    Inventors: Tomoyuki OKI, Akio FURUKAWA
  • Publication number: 20200060557
    Abstract: A control apparatus according to an aspect of the present technology includes a signal generation section. The signal generation section generates speckle data on the basis of an image signal of a subject imaged by using laser light as illumination, and generates a control signal for controlling output from a laser light source that emits the laser light on the basis of the generated speckle data.
    Type: Application
    Filed: March 20, 2018
    Publication date: February 27, 2020
    Inventors: TAKESHI MATSUI, TETSURO KUWAYAMA, HIROSHI YOSHIDA, ISAMU NAKAO, FUMISADA MAEDA, GORO FUJITA, AKIO FURUKAWA
  • Patent number: 10518548
    Abstract: A liquid ejection head has a plurality of ejection modules having a recording element substrate equipped with a plurality of ejection orifices for ejecting a liquid, a plurality of first flow path members that supports at least one of the ejection modules and a second flow path member provided in common with the first flow path members and supporting the first flow path members. The first flow path members and the second flow path member are equipped with a flow path for supplying a plurality of recording element substrates with a liquid. The first flow path members are joined with the second flow path member via an adhesive layer without being brought into direct contact with the second flow path member.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: December 31, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Yamada, Shuzo Iwanaga, Seiichiro Karita, Shingo Okushima, Zentaro Tamenaga, Noriyasu Nagai, Tatsurou Mori, Akio Saito, Akira Yamamoto, Asuka Horie, Masao Furukawa, Takatsuna Aoki
  • Patent number: 10507230
    Abstract: A composition having tissue repair activity, which is capable of promoting reactions associated with tissue repair, contains at least one selected from the group consisting of a first component that is a protein having a monocyte chemotactic protein-1 (MCP-1) activity, a second component that is a protein having the extracellular domain activity of sialic acid-binding immunoglobulin-type lectin-9 (Siglec-9), and a third component that is at least one of chondroitin sulfate and chondroitin sulfate proteoglycan.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: December 17, 2019
    Assignee: TOKUSHIMA UNIVERSITY
    Inventors: Akihito Yamamoto, Minoru Ueda, Kohki Matsubara, Akio Suzumura, Koichi Furukawa, Yoshihiro Matsushita, Hirotaka Wakayama, Nobunori Takahashi, Shin Tsunekawa, Takako Izumoto
  • Publication number: 20190379178
    Abstract: To provide an illumination device, a control device, and a control method enabled to perform control to cause output of each of a plurality of light sources to be constant with a more simplified temperature control circuit. There is provided an illumination device including: a plurality of light sources; a plurality of cooling units respectively provided for the light sources and respectively cooling the light sources; and a drive control unit that performs switching of control with respect to each of the light sources on the basis of a comparison between a target temperature of each of the light sources and a measured temperature of each of the light sources or an environment.
    Type: Application
    Filed: October 25, 2017
    Publication date: December 12, 2019
    Inventors: HIROTAKA MURAMATSU, AKIO FURUKAWA
  • Publication number: 20190340963
    Abstract: To improve visual recognition of a medical practitioner on information displayed on a screen under a shadowless lamp. There is provided an information processing device including: an information acquisition unit that acquires information from an information providing device that provides the information related to quantitative numerical values to be grasped by a medical practitioner involved with a medical practice; an image data generation unit that generates image data related to the acquired information; and a control unit that controls an installation position of a light source irradiating drawing light having illuminance visually recognizable under a shadowless lamp or an operation state of an optical system that scans an irradiation position of the drawing light so as to draw the image data.
    Type: Application
    Filed: October 30, 2017
    Publication date: November 7, 2019
    Inventors: KOICHIRO KISHIMA, AKIO FURUKAWA, HIROSHI MAEDA, NAOTO NAKAMURA, GEORGERO KONNO
  • 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
  • Publication number: 20190076008
    Abstract: [Object] To propose an endoscope light source capable of making an area of a region to be irradiated with illumination light changeable, a control method of an endoscope light source, and an endoscope apparatus using such an endoscope light source. [Solution] An endoscope light source according to the present disclosure includes: a light source section that emits light from at least one or more solid light sources; a coupling section capable of connecting with a light guide connected to an endoscope; and a control section that performs control so as to make an incident angle of a light ray that enters the light guide in the coupling section, changeable.
    Type: Application
    Filed: January 24, 2017
    Publication date: March 14, 2019
    Inventors: MITSUNORI UEDA, TOMOYUKI OKI, TAKASHI YAMAGUCHI, AKIO FURUKAWA, SATORU MIZOUCHI, HIROTAKA MURAMATSU
  • Publication number: 20180360299
    Abstract: A medical imaging system (10) including an optical branching device (101) having a plurality of optical paths for guiding light for imaging a target comprising a biotissue, each of the optical paths corresponding to an optical port connectable to an external device for imaging, wherein at least one path of the plurality of optical paths is configured both to guide the irradiation light to the biotissue and to guide light from the biotissue, and wherein the optical branching device includes a plurality of prisms and at least one joint surface.
    Type: Application
    Filed: February 22, 2017
    Publication date: December 20, 2018
    Applicant: SONY CORPORATION
    Inventors: Koichiro KISHIMA, Takuya KISHIMOTO, Akio FURUKAWA, Hiroshi MAEDA
  • Publication number: 20180330659
    Abstract: [Object] To provide a light source device and imaging system capable of issuing a warning to a user in accordance with an actual deterioration state of a light source. [Solution] The light source device includes: at least one light source; a light monitor unit that detects emitted light emitted from the light source; a light source drive unit that controls a drive current or an applied voltage of the light source such that a detection value detected by the light monitor unit indicates a predetermined target value; and a warning unit that performs a primary warning when the drive current or the applied voltage of the light source reaches a predetermined reference value, and performs a predetermined process on a basis of a deterioration level of the light source after the primary warning is performed.
    Type: Application
    Filed: October 28, 2016
    Publication date: November 15, 2018
    Applicant: SONY CORPORATION
    Inventors: Tomoyuki OKI, Akio FURUKAWA
  • Publication number: 20180110422
    Abstract: A technology is provided that is capable of reducing the size of an apparatus and improving the work environment of surgical operations as compared with those of related-art technologies. The present technology provides an illumination light transmission apparatus having a non-speckle illumination light source configured to radiate a non-speckle illumination light; a speckle illumination light source configured to radiate a speckle illumination light; a fiber bundle configured by a plurality of optical fibers into a bundle; and an optical control block configured to guide at least one of the non-speckle illumination light and the speckle illumination light into the fiber bundle.
    Type: Application
    Filed: February 26, 2016
    Publication date: April 26, 2018
    Applicant: Sony Corporation
    Inventors: Isamu NAKAO, Eiichi TANAKA, Akio FURUKAWA
  • Publication number: 20170343792
    Abstract: According to some aspects, a medical imaging system is provided. The medical imaging system includes an illumination device and a medical imaging device. The illumination device includes a first light source configured to emit first light having a wavelength range. The illumination device further includes a second light source configured to emit second light having at least one predetermined wavelength band. The at least one predetermined wavelength band is within the wavelength range. The illumination device further includes a dichroic mirror configured to attenuate a portion of the wavelength range corresponding to the at least one predetermined wavelength band and to multiplex the second light with the first light such that the portion of the wavelength range of the first light is attenuated. The light multiplexed by the dichroic mirror is emitted from the illumination device along an optical axis and irradiates an observation site.
    Type: Application
    Filed: December 15, 2015
    Publication date: November 30, 2017
    Applicant: Sony Corporation
    Inventors: GOH MATSUNOBU, TAKASHI YAMAGUCHI, AKIO FURUKAWA