Patents by Inventor Naoyuki Sumi

Naoyuki Sumi 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).

  • Laser-addressed liquid crystal display
    Patent number: 5363117
    Abstract: A liquid crystal display apparatus comprises a laser beam source for emitting a laser beam, a liquid crystal cell for providing an image by means of the effect of the laser beam heating and which contains a liquid crystal layer positioned between a pair of substrates, a scanning device for scanning the laser beam to the liquid crystal layer to thereby produce a line drawing thereon, and a modulation device for modulating a line width of the line drawing so as to keep a uniform line width.
    Type: Grant
    Filed: September 1, 1992
    Date of Patent: November 8, 1994
    Assignee: Sony Corporation
    Inventors: Kiyoshige Matsuura, Naoyuki Sumi, Kouichi Fujita
  • Adaptor for a video monitoring system
    Patent number: 4766491
    Abstract: A video monitoring system applicable to a security system is provided with a television camera, one or more television monitors, one or more AC adaptors equal in number to the television monitors, and one or more adaptors equal in number to the television monitors. Each adaptor connects the television camera to the associated television monitor via a prior stage component of the monitoring system and to a next stage component.
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: August 23, 1988
    Assignee: Sony Corporation
    Inventors: Mitsumasa Saitoh, Naoyuki Sumi, Susumu Tagawa