Patents by Inventor Syuzo Katayama

Syuzo Katayama 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).

  • Projection installing device
    Patent number: 5938161
    Abstract: A projector installing device for installing a projector pendant from a ceiling, which enables easy and quick horizontal angular adjustment of the projector and which is also excellent in durability. A rotary member rotatable around a vertical axis of a pin is installed on a supporting member fastened to a ceiling, the rotary member is provided with fixing screws for unfixably fixing the rotary member at a desired rotary position to the supporting member from its horizontal direction, and the projector is fastened to the rotary member.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: August 17, 1999
    Assignee: NEC Corporation
    Inventors: Katsuyuki Takeuchi, Syuzo Katayama