Patents by Inventor Hisaharu Nakao

Hisaharu Nakao 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).

  • Projector
    Patent number: 5743611
    Abstract: A projector for magnifying and projecting an image displayed on LCDs and illuminated by a light source through a projecting lens is designed so that the adherence of dust to the LCDs and the rise of the temperature of the LCDs is suppressed. The peripheral portions of the LCDs are supported by supporting frames. And, the LCDs are hermetically held by a front side glass and a rear side glass which are closely mounted to the peripheral portions of the supporting frames with an adhesive.
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: April 28, 1998
    Assignee: Sony Corporation
    Inventors: Makoto Yamaguchi, Noriaki Negishi, Hisaharu Nakao