Patents by Inventor Yasumasa Tubakimoto

Yasumasa Tubakimoto 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).

  • Link plate
    Patent number: 4757681
    Abstract: This invention relates to a chain link plate which is constructed by a high tensile strength fiber which is wound around between two pivot points and which is fixed to each other by adhesive material. The link plate is improved in strength and decreased in weight.
    Type: Grant
    Filed: June 18, 1987
    Date of Patent: July 19, 1988
    Assignee: Tsubakimoto Chain Co.
    Inventors: Kazumasa Matsuno, Takashi Tsujimoto, Takerou Nakagawa, Yasumasa Tubakimoto, Makoto Kanehira