Patents by Inventor Yuichi Yamada

Yuichi Yamada 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: 20210384173
    Abstract: A light-emitting device includes a base including a conductive wiring; a light-emitting element mounted on the base and configured to emit light; a light reflective film provided on an upper surface of the light-emitting element; and a encapsulant covering the light-emitting element and the light reflective film. A ratio (H/W) of a height (H) of the encapsulant to a width (W) of a bottom surface of the encapsulant is less than 0.5.
    Type: Application
    Filed: July 22, 2021
    Publication date: December 9, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Motokazu YAMADA, Yuichi YAMADA
  • Patent number: 11166621
    Abstract: A medical apparatus and a method of manufacturing the medical apparatus, which have an advantage in cost performance, are provided even if optical fibers are used therein. The medical apparatus includes, therein, a first optical fiber 6322 configured to transmit an optical signal, a second optical fiber 651 configured to transmit an optical signal, and a first optical connector 66 configured to connect the first optical fiber 6322 and the second optical fiber 651.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: November 9, 2021
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Kohtaro Amano, Yuichi Yamada
  • Patent number: 11171261
    Abstract: A light emitting device includes: a substrate; a light emitting element disposed on the substrate, the light emitting element having an upper surface and a lateral surface; a reflecting layer located on the upper surface of the light emitting element; a first light-transmissive member having a first surface in contact with the lateral surface of the light emitting element, and a second surface that is inclined toward the substrate in a direction outward from the light emitting element; and a second light-transmissive member in contact with the second surface and covering the light emitting element. A refractive index of the first light-transmissive is smaller than a refractive index of the second light-transmissive member.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: November 9, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Yuichi Yamada, Motokazu Yamada
  • Publication number: 20210310632
    Abstract: A light emitting device includes: a base; a light emitting element; a light reflective film located on an upper surface of the light emitting element; and a encapsulant. A ratio of a maximum width (Wmax) of the encapsulant with respect to a maximum width of the light emitting element, in a side view, is 2 or more. An outer shape of a part of the encapsulant located within a range of elevation angles that is in a range of 10° to 50° from a center of a mounting region at an upper surface of the base on which the light emitting element is mounted is formed to have a curved surface. A ratio (r/Wmax) of a radius of curvature (r) of the curved surface with respect to the maximum width (Wmax) of the encapsulant, in a side view, is in a range of 0.25 to 0.50.
    Type: Application
    Filed: June 21, 2021
    Publication date: October 7, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Yuichi YAMADA, Motokazu YAMADA
  • Patent number: 11139418
    Abstract: A light emitting device includes a base including a support having a support surface. A light emitting element includes a semiconductor layer and a sapphire substrate provided on the semiconductor layer opposite to the support surface. A light-transmissive covering member is provided on the sapphire substrate to sandwich the sapphire substrate between the semiconductor layer and the reflecting film. A light emitted from the semiconductor layer is configured to be extracted from the sapphire substrate between the semiconductor layer and the reflecting film. A height of the light-transmissive covering member viewed in a direction in which a width of the light-transmissive covering member appears smallest is 0.5 times or less of the width of the light-transmissive covering member.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: October 5, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Yuichi Yamada, Motokazu Yamada
  • Publication number: 20210280754
    Abstract: A light emitting device includes at least one light emitting element and at least one light transmissive sealing member. Each of the at least one light emitting element has a bottom surface electrically connected to a conductor wiring and a top surface opposite to the bottom surface in a height direction along a height of the light emitting device. The at least one light transmissive sealing member covers the at least one light emitting element, respectively. Each of the at least one light transmissive sealing member has a projection shape with a height in the height direction and a width in a width direction perpendicular to the height direction. The height is greater than the width. Each of the at least one light transmissive sealing member includes a wavelength conversion member.
    Type: Application
    Filed: May 7, 2021
    Publication date: September 9, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Motokazu YAMADA, Yuichi YAMADA
  • Patent number: 11103125
    Abstract: An endoscope system is disclosed that included a camera head, a detection unit, and a distortion correction processing unit. The camera head is detachably connected to an eyepiece unit of a plurality of types of endoscopes inserted into a subject, the camera head including an imaging unit that captures a subject image received from an endoscope among the plurality of types of endoscopes that is connected to the eyepiece. The detection unit that detects a size of the subject image in the captured image on the basis of a luminance signal of each pixel in the captured image obtained by the imaging unit. The distortion correction processing unit that corrects an optical distortion of the captured image depending on sizes of a plurality of different subject images.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: August 31, 2021
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Manabu Koiso, Yuichi Yamada
  • Patent number: 11101247
    Abstract: A light-emitting device includes a base including a conductive wiring; a light-emitting element mounted on the base and configured to emit light; a light reflective film provided on an upper surface of the light-emitting element; and a encapsulant covering the light-emitting element and the light reflective film. A ratio (H/W) of a height (H) of the encapsulant to a width (W) of a bottom surface of the encapsulant is less than 0.5.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: August 24, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Motokazu Yamada, Yuichi Yamada
  • Patent number: 11067250
    Abstract: A light emitting device includes: a base; a light emitting element; a light reflective film located on an upper surface of the light emitting element; and a encapsulant. A ratio of a maximum width (Wmax) of the encapsulant with respect to a maximum width of the light emitting element, in a side view, is 2 or more. An outer shape of a part of the encapsulant located within a range of elevation angles that is in a range of 10° to 50° from a center of a mounting region at an upper surface of the base on which the light emitting element is mounted is formed to have a curved surface. A ratio (r/Wmax) of a radius of curvature (r) of the curved surface with respect to the maximum width (Wmax) of the encapsulant, in a side view, is in a range of 0.25 to 0.50.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: July 20, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Yuichi Yamada, Motokazu Yamada
  • Patent number: 11033174
    Abstract: A medical image processing device includes a motion amount calculating unit configured to compare a first image obtained by capturing a subject image taken by an endoscope with a second image obtained by capturing the subject image at a chronologically different timing from the first image and calculate a motion amount for the second image every two or more areas in the first image; and an area specifying unit configured to specify a mask area other than the subject image included in the first image from an inside of a mask candidate area in which the motion amount is equal to or less than a specific first threshold value in the first image.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: June 15, 2021
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Taihei Michihata, Yuichi Yamada
  • Patent number: 11031532
    Abstract: A light emitting device includes at least one LED package, and at least one light transmissive sealing member. Each of the at least one LED package includes a light emitting element, a wavelength converter, and a reflection member. The light emitting element is mounted on a mounting surface of a base and electrically connected to a conductor wiring. The wavelength converter is provided on an upper surface of the light emitting element. The reflection member covers a side surface and a lower surface of the light emitting element. Each of the at least one light transmissive sealing member includes a light diffusion material and covers each of the at least one LED package. Each of the at least one light transmissive sealing member has a projection shape with a substantially circular bottom surface facing the base and with a height in the light axis direction of the light emitting element.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 8, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Motokazu Yamada, Yuichi Yamada
  • Publication number: 20210167263
    Abstract: A light emitting device includes a substrate, a light source, a cover member, a light transmissive member disposed on or above the light source, a light reflecting layer disposed on or above the light transmissive member, and a light transmissive cover member. The cover member is made of a resin material containing a light reflecting substance and covers a lateral face of the light source. The light transmissive cover member covers at least a lateral face of the light transmissive member and includes an annular lens part. A thickness of a portion of the light transmissive cover member disposed above a perimeter of the light reflecting layer is larger than a thickness of a portion of the light transmissive cover member disposed above a portion of the light reflecting layer where an optical axis of the light emitting element passes through.
    Type: Application
    Filed: November 24, 2020
    Publication date: June 3, 2021
    Inventors: Motokazu YAMADA, Yuichi YAMADA, Shinsaku IKUTA, Takeshi TAMURA
  • Publication number: 20210140607
    Abstract: A light-emitting device includes: a base member that includes conductor wirings; a light-emitting element that is mounted on the base member and emits first light; a wavelength conversion member that is disposed on or above an upper surface of the light-emitting element and is adapted to absorb at least part of the first light and emit second light with a wavelength longer than a wavelength of the first light; a light-reflective film that is disposed on an upper surface of the wavelength conversion member; and an encapsulating member that covers the light-emitting element, the wavelength conversion member, and the light-reflective film. A ratio (H/W) of a height (H) to a width (W) of the encapsulating member is smaller than 0.5.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 13, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Motokazu YAMADA, Yuichi YAMADA
  • Patent number: 10952597
    Abstract: An endoscope apparatus includes a camera and circuitry. The camera is detachably connected to a base of an endoscope adapted to be inserted in a subject and includes a sensor configured to image a subject image captured by the endoscope. The circuitry is configured to process an image captured by the camera and generate a video signal for display, calculate a gain in white balance based on the captured image, and perform mask edge detecting processing for detecting a boundary point between the subject image and a mask area other than the subject image included in the captured image.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: March 23, 2021
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Taihei Michihata, Yuichi Yamada
  • Patent number: 10920960
    Abstract: A light-emitting device includes: a base member that comprises conductor wirings; a light-emitting element that is mounted on the base member and emits first light; a wavelength conversion member that is disposed on or above an upper surface of the light-emitting element and is adapted to absorb at least part of the first light and emit second light with a wavelength longer than a wavelength of the first light; a light-reflective film that is disposed on an upper surface of the wavelength conversion member; and an encapsulating member that covers the light-emitting element, the wavelength conversion member, and the light-reflective film. A ratio (H/W) of a height (H) to a width (W) of the encapsulating member is smaller than 0.5.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 16, 2021
    Assignee: NICHIA CORPORATION
    Inventors: Motokazu Yamada, Yuichi Yamada
  • Patent number: 10905319
    Abstract: An endoscope apparatus includes: a camera including an imaging unit configured to receive light and convert the light into an electric signal; a first cable configured to transmit the electric signal, one end of the first cable being connected to the camera; an operating unit connected to another end of the first cable and including an electrooptic conversion unit configured to convert the electric signal transmitted through the first cable into an optical signal, and a switch configured to receive user operations; a second cable configured to transmit the optical signal, one end of the second cable being connected to the operating unit; and a connector provided to another end of the second cable and configured to connect the other end of the second cable to an external device.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: February 2, 2021
    Assignee: Sony Olympus Medical Solutions Inc.
    Inventors: Taihei Michihata, Kohtaro Amano, Morinao Fukuoka, Yuichi Yamada
  • Patent number: 10901199
    Abstract: An endoscope system includes: an electric lens capable of changing a focal length by applying a voltage; an imaging unit configured to capture a subject image formed by the electric lens to generate image signals; a focus controller configured to perform control to periodically repeat sequential switching of the focal length of the electric lens between two or more values; and a video signal generator configured to generate a video signal to be provided to a display device from the image signals generated by the imaging unit.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: January 26, 2021
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Takamasa Mikami, Yuichi Yamada
  • Patent number: 10893247
    Abstract: A medical signal processing device for processing an image obtained by an imaging unit including a plurality of pixels, and generating a video signal for display, includes a Y gamma-correction unit that performs Y gamma-correction on a luminance signal for each pixel in the image obtained by the imaging unit.
    Type: Grant
    Filed: February 12, 2018
    Date of Patent: January 12, 2021
    Assignee: SONY OLYMPUS MEDICAL SOLUTIONS INC.
    Inventors: Taihei Michihata, Yuichi Yamada
  • Publication number: 20200411737
    Abstract: A light emitting device includes at least one LED package, and at least one light transmissive sealing member. Each of the at least one LED package includes a light emitting element, a wavelength converter, and a reflection member. The light emitting element is mounted on a mounting surface of a base and electrically connected to a conductor wiring. The wavelength converter is provided on an upper surface of the light emitting element. The reflection member covers a side surface and a lower surface of the light emitting element. Each of the at least one light transmissive sealing member includes a light diffusion material and covers each of the at least one LED package. Each of the at least one light transmissive sealing member has a projection shape with a substantially circular bottom surface facing the base and with a height in the light axis direction of the light emitting element.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicant: NICHIA CORPORATION
    Inventors: Motokazu YAMADA, Yuichi YAMADA
  • Patent number: 10847688
    Abstract: A light emitting device includes a base having a conductor wiring, at least one light emitting element mounted on the base and electrically connected to the conductor wiring, and a light transmissive sealing member. The light transmissive sealing member includes a light diffusion material. The light transmissive sealing member covers the at least one light emitting element. The light transmissive sealing member has a projection shape. The projection shape has a substantially circular bottom surface facing the base and a height in a light axis direction of the at least one light emitting element. The height is greater than a diameter of the substantially circular bottom surface. The light transmissive sealing member has a maximum length when the light transmissive sealing member is viewed from the light axis direction. The diameter of the substantially circular bottom surface is smaller than the maximum length of the light transmissive sealing member.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: November 24, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Motokazu Yamada, Yuichi Yamada