Patents by Inventor YOHEI TAKAKUWA

YOHEI TAKAKUWA 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).

  • Light-emitting device, display apparatus, and lighting apparatus
    Patent number: 11846847
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Grant
    Filed: October 14, 2021
    Date of Patent: December 19, 2023
    Assignee: SATURN LICENSING LLC
    Inventors: Mitsuhiro Kawase, Yohei Takakuwa, Roger Corn
  • Light-Emitting Device, Display Apparatus, And Lighting Apparatus
    Publication number: 20220043306
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Application
    Filed: October 14, 2021
    Publication date: February 10, 2022
    Applicant: Saturn Licensing LLC
    Inventors: Mitsuhiro Kawase, Yohei Takakuwa, Roger Corn
  • Light-emitting device, display apparatus, and lighting apparatus
    Patent number: 11175532
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: November 16, 2021
    Assignee: Saturn Licensing LLC
    Inventors: Mitsuhiro Kawase, Yohei Takakuwa, Roger Corn
  • Light-Emitting Device, Display Apparatus, And Lighting Apparatus
    Publication number: 20200348564
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Applicant: Sony Corporation
    Inventors: Mitsuhiro Kawase, Yohei Takakuwa, Roger Corn
  • Light-emitting device, display apparatus, and lighting apparatus
    Patent number: 10782561
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: September 22, 2020
    Assignee: Sony Corporation
    Inventors: Mitsuhiro Kawase, Yohei Takakuwa, Roger Corn
  • LIGHT-EMITTING DEVICE, DISPLAY APPARATUS, AND LIGHTING APPARATUS
    Publication number: 20180173059
    Abstract: Provided is a light-emitting device having an excellent light emission performance irrespective of its small thickness. The light-emitting device includes a base having a surface; one or more light sources that are provided on the surface of the base, and each have an optical axis; a reflective lens provided to interpose the light source between the reflective lens and the base; a reflective sheet that is provided to surround the light source along the surface of the base, and includes a first surface that makes a first angle relative to a plane that is substantially orthogonal to the optical axis to allow the first surface to be away also from the base as the first surface is away from the light source; and a light diffusion member provided to interpose the light source, the reflective lens, and the reflective sheet, between the light diffusion member and the base.
    Type: Application
    Filed: June 16, 2016
    Publication date: June 21, 2018
    Inventors: MITSUHIRO KAWASE, YOHEI TAKAKUWA, ROGER CORN