Patents by Inventor Yoichi Matsuju

Yoichi Matsuju 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).

  • Apparatus for measuring a shape
    Patent number: 4848912
    Abstract: An apparatus for measuring shapes, comprises a scanner, having a plurality of arms for holding an object the shape of which is to be measured, and a turntable to which one end of each of the arms is fixed; and a device for forming a silhouette image of the object including a first optical system which has an optical axis parallel to a rotating axis of the turntable and which has a light source and a light receiving unit confronting each other to allow the object to be in between the light source and the light receiving unit of the first optical system, and a second optical system which has another optical axis substantially at a right angle to the rotating axis of the turntable and which has another light source and another light receiving unit confronting each other to allow the object to be in between the light source and the light receiving unit of the second optical system.
    Type: Grant
    Filed: January 28, 1988
    Date of Patent: July 18, 1989
    Assignee: NKK Corporation
    Inventors: Kazuo Sano, Mitsuaki Uesugi, Masami Harayama, Yoshihiro Okuno, Hiroshi Matsunaga, Yoichi Matsuju