Patents by Inventor Kiyofumi Koya

Kiyofumi Koya 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).

  • Display monitor
    Patent number: D310829
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: September 25, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tsutomu Suyama, Masaharu Wakamatsu, Koji Saito, Kiyofumi Koya
  • Display monitor
    Patent number: D313228
    Type: Grant
    Filed: August 17, 1987
    Date of Patent: December 25, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Tsutomu Suyama, Masaharu Wakamatsu, Koji Saito, Kiyofumi Koya