Patents by Inventor Waturu Ban

Waturu Ban 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).

  • Publication number: 20080125240
    Abstract: A putter head includes substantially parallel plural grooves formed on a face thereof, wherein a ratio W/S of a groove width W (mm) and a space width S (mm) between the grooves is from 0.5 to 2.0.
    Type: Application
    Filed: October 31, 2007
    Publication date: May 29, 2008
    Applicant: BRIDGESTONE SPORTS CO., LTD
    Inventors: Atsuo TATENO, Tatsuya ISHIKAWA, Waturu Ban, Fumiaki SATO