Patents by Inventor Tetsu Kanayama

Tetsu Kanayama 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).

  • Wood-type golf club head
    Patent number: D641817
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: July 19, 2011
    Assignee: Mizuno USA
    Inventors: David Llewellyn, Kazuya Ishida, Tetsu Kanayama, Kamo Arata
  • Hybrid-type golf club head
    Patent number: D650876
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: December 20, 2011
    Assignee: Mizuno USA, Inc.
    Inventors: David Llewellyn, Kazuya Ishida, Tetsu Kanayama, Arata Kamo