Patents by Inventor Akihito KITAGAWA

Akihito KITAGAWA 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).

  • Wiring board and light emitting device
    Patent number: 11245059
    Abstract: A wiring board includes a substrate for mounting a light emitting element; and a reflective film positioned on a surface of the substrate and reflecting light rays that are emitted from the light emitting element. The reflective film is formed of a plurality of adjacent columnar crystals extending in a perpendicular direction with respect to the surface of the substrate. A surface of the plurality of adjacent columnar crystals is in continuous at a surface of the reflective film.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: February 8, 2022
    Assignee: KYOCERA CORPORATION
    Inventors: Akihito Kitagawa, Yoshiaki Itakura
  • WIRING BOARD AND LIGHT EMITTING DEVICE
    Publication number: 20200303606
    Abstract: A wiring board includes a substrate for mounting a light emitting element; and a reflective film positioned on a surface of the substrate and reflecting light rays that are emitted from the light emitting element. The reflective film is formed of a plurality of adjacent columnar crystals extending in a perpendicular direction with respect to the surface of the substrate. A surface of the plurality of adjacent columnar crystals is in continuous at a surface of the reflective film.
    Type: Application
    Filed: September 25, 2018
    Publication date: September 24, 2020
    Applicant: KYOCERA Corporation
    Inventors: Akihito KITAGAWA, Yoshiaki ITAKURA