Patents by Inventor Koji Okoshi

Koji Okoshi 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).

  • Patent number: 6478691
    Abstract: Disclosed is a golf club head in which a mass-adjusting weight is inserted into the inside of a cylindrical hosel portion, wherein a flange that can be deformed in a radial direction of the hosel portion is formed in a peripheral portion of the foregoing weight and the diameter of the flange is increased so as to fix the foregoing weight to the foregoing hosel portion.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: November 12, 2002
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Koji Okoshi
  • Publication number: 20020065142
    Abstract: Disclosed is a golf club head in which a mass-adjusting weight is inserted into the inside of a cylindrical hosel portion, wherein a flange that can be deformed in a radial direction of the hosel portion is formed in a peripheral portion of the foregoing weight and the diameter of the flange is increased so as to fix the foregoing weight to the foregoing hosel portion.
    Type: Application
    Filed: January 17, 2002
    Publication date: May 30, 2002
    Applicant: The Yokohama Rubber Co.
    Inventor: Koji Okoshi
  • Patent number: 6352483
    Abstract: A is a golf club head in which a mass-adjusting weight is inserted into the inside of a cylindrical hosel portion, wherein a flange that can be deformed in a radial direction of the hosel portion is formed in a peripheral portion of the foregoing weight and the diameter of the flange is increased so as to fix the foregoing weight to the foregoing hosel portion.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: March 5, 2002
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Koji Okoshi