Patents by Inventor Yukiharu Ohkubo

Yukiharu Ohkubo 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).

  • Loading apparatus
    Patent number: 4928936
    Abstract: An apparatus for loading a planar subject at a predetermined position has holding means operative to hold one one of the planar subject at a predetermined level, and regulating means for detecting the thickness of the planar subject from the amount of operation of the holding means and regulating the level of the other end of the planar subject. This loading apparatus is suitably used in a pattern depicting apparatus.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: May 29, 1990
    Assignee: Nikon Corporation
    Inventors: Yukiharu Ohkubo, Manabu Hosoya, Shinji Miura, Yuichi Aoki