Patents by Inventor Katsutoshi Kasuya

Katsutoshi Kasuya 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).

  • Method of manufacturing golf club head, golf club head, and head base body
    Patent number: 8727907
    Abstract: This invention provides a method of manufacturing a golf club head by processing a head base body having a face base surface which becomes a face surface by finishing. The head base body includes a main body portion having the face base surface, and projecting portions which project from the main body portion. The method includes a finishing step of performing the finishing while the head base body is fixed in position by supporting the projecting portions, and a separation step of separating the projecting portions after the finishing.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 20, 2014
    Assignee: Bridgestone Sports Co., Ltd.
    Inventors: Wataru Ban, Katsutoshi Kasuya
  • METHOD OF MANUFACTURING GOLF CLUB HEAD, GOLF CLUB HEAD, AND HEAD BASE BODY
    Publication number: 20110152002
    Abstract: This invention provides a method of manufacturing a golf club head by processing a head base body having a face base surface which becomes a face surface by finishing. The head base body includes a main body portion having the face base surface, and projecting portions which project from the main body portion. The method includes a finishing step of performing the finishing while the head base body is fixed in position by supporting the projecting portions, and a separation step of separating the projecting portions after the finishing.
    Type: Application
    Filed: December 14, 2010
    Publication date: June 23, 2011
    Applicant: BRIDGESTONE SPORTS CO., LTD.
    Inventors: Wataru BAN, Katsutoshi Kasuya