Patents by Inventor Yoshinori Murasugi

Yoshinori Murasugi 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/grinding method
    Patent number: 5791972
    Abstract: A method of working a workpiece with an apparatus comprising the steps of holding the workpiece by a holding means, rotating the held workpiece by a rotational means in a direction of a tool to match a rotational axis line of the workpiece with a rotation axis line of the tool, matching a vertical axis of the holding means holding the workpiece with an intersection of a swingable rotation axis line of a means for swingably rotating the tool and the tool rotation axis line, and holding the workpiece above the tool and the working the workpiece by exerting work pressure on the workpiece.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: August 11, 1998
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshinori Murasugi, Akihiko Matoba, Kenji Fujiwara, Toru Imanari