Patents by Inventor Koichi Takado

Koichi Takado 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).

  • CD-ROM drive
    Patent number: D372022
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: July 23, 1996
    Assignee: International Business Machines Corporation
    Inventors: Yutaka Sawada, Shuichi Iwata, Mitsuhiko Aoyagi, Koichi Takado
  • CD-rom drive
    Patent number: D372228
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: July 30, 1996
    Assignee: International Business Machines Corporation
    Inventors: Yutaka Sawada, Shuichi Iwata, Mitsuhiko Aoyagi, Koichi Takado