Patents by Inventor Toshi Nagasaki

Toshi Nagasaki 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).

  • Recessed back portion of a golf club head
    Patent number: D428634
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: July 25, 2000
    Assignee: Mizuno Corporation
    Inventors: Masao Nagai, David Llewellyn, Toshi Nagasaki
  • Recessed back portion of a golf club head
    Patent number: D428635
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: July 25, 2000
    Assignee: Mizuno Corporation
    Inventors: Masao Nagai, Toshi Nagasaki, David Llewellyn