Patents by Inventor Sin Kawabe

Sin Kawabe 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).

  • Liquid crystal panel device having a light guide plate with L shaped ribs
    Patent number: 6219116
    Abstract: A liquid crystal panel module includes a liquid crystal panel unit on a backlight unit. The backlight unit preferably has a holding member for holding the liquid crystal panel unit in a specific position on the backlight unit with no gap therebetween. Preferably, the backlight unit comprises a light guide; a lamp for emitting illumination from one side of the light guide; and a reflector for collecting light from the lamp on the light guide. The reflector has a polygonal cross section, a thickness greater than the thickness of the light guide, and is open to only the thickness of the light guide on the light guide side of the reflector.
    Type: Grant
    Filed: September 29, 1998
    Date of Patent: April 17, 2001
    Assignees: Mitsubishi Denki Kabushiki Kaisha, Advanced Display Inc.
    Inventors: Akimasa Yuuki, Mitsumasa Umesaki, Sadayuki Matsumoto, Tomohiro Sasagawa, Sin Kawabe, Kazutoshi Shimojo