Patents by Inventor Takamaro Watanabe

Takamaro Watanabe 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).

  • Patent number: D552670
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: October 9, 2007
    Assignee: Katsuragawa Denki Kabushiki Kaisha
    Inventors: Takamaro Watanabe, Hiroaki Sugai, Ken-ichi Takahashi, Satoshi Arai
  • Patent number: D568387
    Type: Grant
    Filed: March 3, 2006
    Date of Patent: May 6, 2008
    Assignee: Katsuragawa Denki Kabushiki Kaisha
    Inventors: Takamaro Watanabe, Hiroaki Sugai, Ken-ichi Takahashi, Satoshi Arai