Patents by Inventor Kenichi Isoda

Kenichi Isoda 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).

  • Three-dimensional shape measuring device
    Patent number: 4473750
    Abstract: A three-dimensional shape measuring device comprises a light beam condensing and irradiating system for irradiating a light beam to an object at a fixed angle .theta. and converging the light beam to a desired minimum diameter at a point A on an optical axis of the light beam, an imaging optical system having an optical axis having an angle .phi. different from the angle .theta.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: September 25, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Yoshitada Oshida, Yoichi Kawata, Shinobu Watanabe, Noboru Umehara, Kenichi Isoda