Patents by Inventor Tustomu Isono

Tustomu Isono 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).

  • Back light system for minimizing non-display area of liquid crystal display device
    Patent number: 6388722
    Abstract: A liquid crystal display device having a liquid crystal display element, a backlight for supplying light to the liquid crystal display element and a case for accommodating the liquid crystal display element and the backlight. The backlight has a light guide plate and a lamp unit, wherein the lamp unit providing a fluorescent tube, bushings made of an insulating material, a lamp reflector and a lamp cable and the lamp reflector holds the fluorescent tube through the bushings, and made by bending a stiff metal plates.
    Type: Grant
    Filed: September 18, 2000
    Date of Patent: May 14, 2002
    Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.
    Inventors: Yoshiomi Yoshii, Masahiko Suzuki, Kenichi Iwamoto, Tustomu Isono, Yuji Yamakawa