Patents by Inventor Kouji Takakuwa

Kouji Takakuwa 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: D641631
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: July 19, 2011
    Assignee: Hoyu Co., Ltd.
    Inventors: Shou Kawahara, Masaki Katoh, Kouji Takakuwa