Patents by Inventor Yoshihisa Fujiyoshi

Yoshihisa Fujiyoshi 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).

  • Plate-like rotary body with vibration-suppressing characteristics and method of manufacturing same
    Patent number: 4794835
    Abstract: A plate-like rotary body such as a circular saw has zigzag slits formed in the outer peripheral area or spanning the outer and middle peripheral areas such that the resulting protruding sections on both sides of each slit are elongated and deformed within its plane so as to touch the adjacent protruding section from opposite side, thereby providing frictional resistance to suppress vibrations of the body when it rotates. Such slits are preferably formed by a high-energy beam such as a laser beam or an electron beam for efficiency.
    Type: Grant
    Filed: December 9, 1986
    Date of Patent: January 3, 1989
    Assignee: Kanefusa Hamono Kogyo Company Limited
    Inventor: Yoshihisa Fujiyoshi