Patents by Inventor Hikaru Shiraishi

Hikaru Shiraishi 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).

  • Golf club shaft
    Patent number: D664226
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: July 24, 2012
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Akinari Itou, Hikaru Shiraishi, Toshio Ninomiya, Tsutomu Ibuki
  • Golf club shaft
    Patent number: D664620
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: July 31, 2012
    Assignee: Mistubishi Rayon Co., Ltd.
    Inventors: Akinari Itou, Hikaru Shiraishi, Toshio Ninomiya, Tsutomu Ibuki