Patents by Inventor Minoru Sugiyama

Minoru Sugiyama 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).

  • Ball joint
    Patent number: 4435101
    Abstract: A ball joint including a ball member having a ball end, a socket member having a recess for pivotally receiving the ball end of the ball member and a retaining ring received in the recess of the socket member for retaining the ball end of the ball member in the recess. The socket member consists of at least two components of synthetic resin material, and the components are welded together by supersonic welding process.
    Type: Grant
    Filed: December 22, 1981
    Date of Patent: March 6, 1984
    Assignee: Tokico Ltd.
    Inventors: Minoru Sugiyama, Shinji Kaneko
  • Electronic game housing
    Patent number: D265326
    Type: Grant
    Filed: August 1, 1980
    Date of Patent: July 6, 1982
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Minoru Sugiyama