Patents by Inventor Kenichi Oinoue

Kenichi Oinoue 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).

  • Illumination device
    Patent number: 4131361
    Abstract: An illumination device used in the case of forming, on a dupe film, a visible copy of an image pattern of a master film. The illumination device comprises a light source including a center portion having a high brightness and a peripheral portion for emitting light in all directions, and a collimator lens having an optical axis that passes through the high brightness center portion of the light source.
    Type: Grant
    Filed: July 8, 1977
    Date of Patent: December 26, 1978
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Tadashi Morokuma, Kenichi Oinoue