Patents by Inventor Koutarou Takahata

Koutarou Takahata 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).

  • Interphone
    Patent number: D588574
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: March 17, 2009
    Assignee: Aiphone Co., Ltd.
    Inventor: Koutarou Takahata
  • Interphone
    Patent number: D595260
    Type: Grant
    Filed: June 11, 2008
    Date of Patent: June 30, 2009
    Assignee: Aiphone Co., Ltd.
    Inventor: Koutarou Takahata
  • Interphone
    Patent number: D624522
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: September 28, 2010
    Assignee: Aiphone Co., Ltd.
    Inventors: Koutarou Takahata, Katsuhiko Ibuki
  • Interphone
    Patent number: D624523
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: September 28, 2010
    Assignee: Aiphone Co., Ltd.
    Inventors: Koutarou Takahata, Katsuhiko Ibuki