Patents by Inventor Hirotaka Zenko

Hirotaka Zenko 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).

  • Optical type sorter
    Patent number: D869512
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 10, 2019
    Assignee: SATAKE CORPORATION
    Inventors: Hirotaka Zenko, Kohei Kishimoto
  • Optical type sorter
    Patent number: D871458
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: December 31, 2019
    Assignee: SATAKE CORPORATION
    Inventors: Hideaki Matsushima, Hirotaka Zenko, Kohei Kishimoto