Patents by Inventor Hiroyuki Kamee

Hiroyuki Kamee 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).

  • Publication number: 20220142568
    Abstract: An optical device includes a light source unit and a body unit. The light source unit includes a first light source configured to emit first irradiation light, a second light source configured to emit second irradiation light, a light source control unit, and a light collecting unit. The body unit includes an insertion section. The insertion section includes a light guide member, an optical system, an optical filter, a first imager configured to output image information of a subject, and a second imager configured to output distance information from the optical system to the subject. In the second irradiation light, light intensity is temporally modulated, and the first irradiation light and the second irradiation light are emanated from the insertion section.
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Applicant: OLYMPUS CORPORATION
    Inventors: Yasuo SASAKI, Hiroyuki KAMEE
  • Patent number: 11304591
    Abstract: An optical connection module for an endoscope includes: an optical fiber having a fiber end surface and configured to guide a part of emitted light emitted from a light source and incident on the fiber end surface; a ferrule having a ferrule end surface with an opening of a through-hole into which the optical fiber is inserted, the ferrule including a scatterer configured to scatter, in an inside of the ferrule, a part of the emitted light incident on the ferrule end surface, the ferrule being configured to emit scattered light generated by scattering from a side surface; and an optical sensor arranged in the periphery of the side surface of the ferrule and configured to receive the scattered light.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: April 19, 2022
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroyuki Kamee, Satoshi Ohara
  • Patent number: 11147438
    Abstract: An endoscope apparatus includes an illumination apparatus that applies first and second narrow-band light having different peak wavelengths to a subject, an imaging device that acquires image light from the subject with pixels to generate an acquisition image signal, and an image processing circuit. The image processing circuit includes a storage that has stored assumed subject types including information about a wavelength range of assumed subjects, and a subject type decision circuit that decides an assumed subject type for part of the pixels based on a first image signal about the first narrow-band light, a second image signal about the second narrow-band light, and the assumed subject types. The image processing circuit constructs a display image signal based on the acquisition image signal and decided assumed subject type.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: October 19, 2021
    Assignee: OLYMPUS CORPORATION
    Inventor: Hiroyuki Kamee
  • Publication number: 20210085160
    Abstract: An optical connection module for an endoscope includes: an optical fiber having a fiber end surface and configured to guide a part of emitted light emitted from a light source and incident on the fiber end surface; a ferrule having a ferrule end surface with an opening of a through-hole into which the optical fiber is inserted, the ferrule including a scatterer configured to scatter, in an inside of the ferrule, a part of the emitted light incident on the ferrule end surface, the ferrule being configured to emit scattered light generated by scattering from a side surface; and an optical sensor arranged in the periphery of the side surface of the ferrule and configured to receive the scattered light.
    Type: Application
    Filed: December 10, 2020
    Publication date: March 25, 2021
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroyuki KAMEE, Satoshi OHARA
  • Patent number: 10799102
    Abstract: An illumination apparatus in an endoscopic system includes a light source unit having lasers with different peak wavelengths, the lasers being divided by peak wavelength into narrow band light source groups, a color imaging unit that detects the illumination color of illumination light, a memory that stores an appropriate illumination color for each narrow band light source group, an output calculator that, for each narrow band light source group, compares the illumination color obtained upon light emission by the lasers belonging to the narrow band light source group with the appropriate illumination color of the narrow band light source group and calculates an appropriate output for each of the lasers belonging to the narrow band light source group, and a light source controller that controls the lasers on the basis of the calculated appropriate output.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: October 13, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroyuki Kamee, Hiromasa Fujita, Masahiro Nishio
  • Patent number: 10729312
    Abstract: An endoscope light source device includes a light source to emit light, and a speckle reduction member to scatter the light. The reduction member has a surface including thickness variation to provide the light with an optical path difference. The device also includes a drive to move the reduction member, and a lens to condense the light passed through the reduction member onto a light guide of an endoscope. The surface of the reduction member has inclination of an average inclination angle. The average inclination angle is determined so that a light quantity loss rate of the entering light into the light guide by scattering of the reduction member and refraction of the lens has a positive value equal to or smaller than an effective allowable loss rate.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: August 4, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroyuki Kamee, Eiji Yamamoto, Takeshi Ito, Masahiro Nishio
  • Patent number: 10617287
    Abstract: An endoscope system includes an illumination section, a color component ratio measurement section and a light quantity ratio adjustment circuit. The illumination section including a light source sequentially or simultaneously radiates an illumination light being a plurality of narrow-band lights having wavelengths different from each other and having light quantities which are independently controllable each other, on an observation object. The color component ratio measurement section measures a color component ratio of the illumination light. The light quantity ratio adjustment circuit adjusts a light quantity ratio of the narrow-band lights based on an output from the color component ratio measurement section and performs color correction to cause the illumination light to be a desired color.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: April 14, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Bakusui Daidoji, Takeshi Ito, Hiroyuki Kamee
  • Publication number: 20200107706
    Abstract: An endoscope light source device includes a light source to emit light, and a speckle reduction member to scatter the light. The reduction member has a surface including thickness variation to provide the light with an optical path difference. The device also includes a drive to move the reduction member, and a lens to condense the light passed through the reduction member onto a light guide of an endoscope. The surface of the reduction member has inclination of an average inclination angle. The average inclination angle is determined so that a light quantity loss rate of the entering light into the light guide by scattering of the reduction member and refraction of the lens has a positive value equal to or smaller than an effective allowable loss rate.
    Type: Application
    Filed: December 9, 2019
    Publication date: April 9, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Hiroyuki KAMEE, Eiji YAMAMOTO, Takeshi ITO, Masahiro NISHIO
  • Patent number: 10548466
    Abstract: A first light source module includes a light source-side connection hole to which a irradiation-side connector of a irradiation module is mechanically detachably attached. The light source-side connection hole is made common to the first irradiation-side connector, which is mounted in the first irradiation module, and the second irradiation-side connector, which is mounted in the second irradiation module, such that the light source-side connection hole is connectable to the first irradiation-side connector and the second irradiation-side connector.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: February 4, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Satoshi Ohara, Eiji Yamamoto, Takeshi Ito, Masahiro Nishio, Hiroyuki Kamee, Motoki Tabata
  • Patent number: 10542865
    Abstract: An endoscopic system includes a speckle reduction unit which is reduce speckle generated on an observed portion by light that has coherence, a controller which controls an operation of the speckle reduction unit and a plurality of observation modes including a speckle observation mode of observing the observed portion based on the speckle generated on the observed portion by the light. The controller controls the operation of the speckle reduction unit in accordance with the observation modes such that the speckle reduction unit does not reduce the speckle in the speckle observation mode and the speckle reduction unit reduces the speckle in the observation modes other than the speckle observation mode.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: January 28, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Bakusui Daidoji, Takeshi Ito, Hiroyuki Kamee
  • Patent number: 10440295
    Abstract: An image forming apparatus includes lasers to respectively emit lights having central wavelengths different from each other, an imager to output an image signal upon receiving light from a subject, a laser wavelength-specific image information acquirer to acquire, from the image signal output from the imager, pieces of laser wavelength-specific image information, and an image former to combine the pieces of laser wavelength-specific image information supplied from the laser wavelength-specific image information acquirer, so as to form an observation image in each mode included in the observation modes.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: October 8, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Hiroyuki Kamee
  • Patent number: 10419693
    Abstract: An imaging apparatus includes an illumination section, an imaging section, and an image processor. The illumination section includes an illumination unit configured to selectively emit illumination light rays of light wavelength bands different from each other, and an illumination switch controller which generates an illumination unit control signal corresponding to each of sets of emission patterns so that combinations of the light wavelength bands of the illumination light rays emitted from the illumination unit are different from each other and the illumination switch controller controlling the illumination unit so that the illumination light rays are sequentially emitted from the illumination unit in the sets of emission patterns different from each other.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: September 17, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Eiji Yamamoto, Hiroyuki Kamee, Hiromasa Fujita
  • Patent number: 10368728
    Abstract: The endoscope apparatus includes a light exit that radiates an illumination light constituted by narrow-band lights to an observation target, an image sensor that detects a reflected/scattered light from the observation target to output an imaging signal, and an image processing circuit that processes the imaging signal.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: August 6, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Takeshi Ito, Hiroyuki Kamee
  • Patent number: 10327622
    Abstract: An endoscope includes an observation mode switch to switch observation modes. The observation modes include a dye valid observation mode allowed to acquire an image in which the dye is visually recognized well, and a dye invalid observation mode allowed to acquire an image in which the dye is substantially not visually recognized.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: June 25, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroyuki Kamee, Satoshi Ohara, Motoki Tabata
  • Patent number: 10314468
    Abstract: A light source apparatus, capable of supplying white light including a predetermined wavelength band and a special light, which is light including the predetermined wavelength band and narrower in a band than the white light, includes: a first light source configured to emit light in a first wavelength band including the predetermined wavelength band, a second light source configured to emit light in a second wavelength band including the predetermined wavelength band, and a dichroic mirror configured to selectively transmit light in the predetermined wavelength band from one light of the lights in the first and second wavelength bands, selectively reflect light in a third wavelength band other than the predetermined wavelength band from the other light of the lights in the first and second wavelength bands, and mix and emit the light in the predetermined wavelength band and the light in the third wavelength band.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: June 11, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Yusuke Yabe, Hiroyuki Kamee, Takeshi Ito
  • Patent number: 10314462
    Abstract: An observation apparatus includes an imager, a light source unit, an image processor and a light intensity adjusting section. The imager includes types of elements which generate a first signal when the elements receive light included in a sensitivity region. The light source unit includes light sources to emit narrow spectrum light, wavelengths of the light being different from one another and being set so that at least one of the wavelengths is included in each of the sensitivity regions. The image processor generates display data indicating a color image on the basis of the image data. The light intensity adjusting section separately adjusts respective light intensity of the light sources.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 11, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroyuki Kamee, Masahiro Nishio, Takeshi Ito, Eiji Yamamoto
  • Patent number: 10226168
    Abstract: A medical image formation apparatus includes laser emitting elements which emit laser light rays different in wavelength, an image selection circuit to select a kind of observation image, a light source controller which controls the laser emitting elements, in accordance with an observation mode corresponding to the selected kind, an imager which images return light ray from an observation target and then outputs the return light ray as an image signal, and an image processor which forms the observation images. A first laser emitting group is controlled when the kind of selected observation image is a first observation image. A second laser emitting group is controlled when the kind of selected observation image is a second observation image. The first laser emitting group and the second laser emitting group include a first common laser emitting element.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: March 12, 2019
    Assignee: OLYMPUS CORPORATION
    Inventors: Hiroyuki Kamee, Takeshi Ito
  • Publication number: 20180199803
    Abstract: An endoscope apparatus includes an illumination apparatus that applies first and second narrow-band light having different peak wavelengths to a subject, an imaging device that acquires image light from the subject with pixels to generate an acquisition image signal, and an image processing circuit. The image processing circuit includes a storage that has stored assumed subject types including information about a wavelength range of assumed subjects, and a subject type decision circuit that decides an assumed subject type for part of the pixels based on a first image signal about the first narrow-band light, a second image signal about the second narrow-band light, and the assumed subject types. The image processing circuit constructs a display image signal based on the acquisition image signal and decided assumed subject type.
    Type: Application
    Filed: March 14, 2018
    Publication date: July 19, 2018
    Applicant: OLYMPUS CORPORATION
    Inventor: Hiroyuki KAMEE
  • Patent number: 9888838
    Abstract: A light source device to illuminate a target to be imaged by an imaging unit which includes N kinds of light detection elements which wavelength sensitivity regions are different each other includes a light source section, an insertion portion, an illumination light emitting portion and a light guide member. The light source section emits M kinds of narrow-band light which have different peak wavelengths, a difference between the peak wavelengths being equal to or more than an effective wavelength gap. The insertion portion is configured to be inserted into an internal space of an object. The illumination light emitting portion is provided in the insertion portion and which emits an illumination light. The light guide member guides the narrow-band light emitted from the light source section to the illumination light emitting portion.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: February 13, 2018
    Assignee: Olympus Corporation
    Inventors: Takeshi Ito, Eiji Yamamoto, Hiroyuki Kamee
  • Patent number: 9814375
    Abstract: A light source device includes: excitation light sources configured to emit a plurality of excitation light including mutually different spectra; wavelength converting members configured to wavelength-convert the excitation light emitted from the excitation light sources into light having mutually different spectra and configured to be disposed in a common application region of the excitation light; and a light source control unit configured to switch a combination of the excitation light sources that are lighted among the excitation light sources based on the observation mode including a normal light observation mode and a special light observation mode to highlight a particular observation target input to an input unit, wherein light emitted from the wavelength converting members is used as illumination light, and the illumination light corresponding to the observation modes is emitted from a same emitting portion.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: November 14, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Bakusui Daidoji, Kazuaki Tamura, Takeshi Ito, Hiroyuki Kamee