Patents by Inventor Mika Koyama

Mika Koyama 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).

  • Projector
    Patent number: D602061
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: October 13, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Yoshihiro Tatara, Tetsu Nakayama, Kiyomasa Shirakura, Mika Koyama