Patents by Inventor Tetsu Sumii

Tetsu Sumii 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).

  • Disc player/recorder for computer
    Patent number: D384340
    Type: Grant
    Filed: March 6, 1996
    Date of Patent: September 30, 1997
    Assignee: Sony Coporation
    Inventors: Toshiyuki Hisatsune, Tetsu Sumii
  • Controller for computer
    Patent number: D385854
    Type: Grant
    Filed: March 15, 1996
    Date of Patent: November 4, 1997
    Assignee: Sony Kabushiki Kaisha
    Inventor: Tetsu Sumii
  • Editing machine for graphic image and sound
    Patent number: D393836
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: April 28, 1998
    Assignee: Sony Corporation
    Inventors: Toshiyuki Hisatsune, Tetsu Sumii