Patents by Inventor Hirotaka Fuse

Hirotaka Fuse 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).

  • Polishing apparatus
    Patent number: 4956944
    Abstract: A polishing apparatus for polishing a surface of a work piece requiring high surface precision such as an optical component or a metal mold by applying a tool, in which the tool is given a rocking motion of the surface of work to be polished while the work is given a rotary motion. Besides the rotary motion of the work, the rotation and rocking motion of the tool and the movement of the tool on the surface to be polished are detected and are controlled according to the working information for the surface to be polished.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: September 18, 1990
    Assignee: Canon Kabushiki Kaisha
    Inventors: Manabu Ando, Nobuo Nakamura, Yoshitane Tsuchiya, Hirotaka Fuse, Kazuo Watanabe, Koushi Shinoda