Patents by Inventor Takashi Hirata

Takashi Hirata 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).

  • Combined desk top electronic calculator and clock
    Patent number: D257990
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: January 20, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Hirata, Kunio Hirose
  • Typewriter
    Patent number: D259347
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: May 26, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Hirata, Kunio Hirose
  • Desk top electronic calculator
    Patent number: D259349
    Type: Grant
    Filed: December 22, 1978
    Date of Patent: May 26, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Hirata, Kazuyoshi Odagawa