Patents by Inventor Yasujiro Oshima

Yasujiro Oshima 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).

  • Scanning photoelectric microscope
    Patent number: 3941980
    Abstract: The present invention discloses a scanning photoelectric microscope in which a first reference object to be measured which is mounted on a stationary support is disposed relative to a second object to be measured which is disposed on a slidable table so as to form on both sides of the first object to be measured two indication intervals, which are caused to coincide with each other for alignment.
    Type: Grant
    Filed: October 11, 1973
    Date of Patent: March 2, 1976
    Assignees: Hitachi, Ltd., Yasujiro Oshima
    Inventors: Keiichi Okamoto, Yoshio Matsumoto, Yasujiro Oshima