Patents by Inventor Nobuhiko Fujine

Nobuhiko Fujine 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).

  • Hermetically sealed opto-electrical semiconductor device
    Patent number: 4131911
    Abstract: A hermetically sealed opto-electrical semiconductor device includes an opto-electrical semiconductor element centrally disposed in an envelope having at least two openings through which light beams are to pass, with flat plates made of a transparent material hermetically covering the respective openings perpendicularly to the directions of the light beams.
    Type: Grant
    Filed: October 13, 1976
    Date of Patent: December 26, 1978
    Assignee: Nippon Electric Company, Ltd.
    Inventors: Nobuhiko Fujine, Masato Nakajima