Patents by Inventor Takamitsu Saigo

Takamitsu Saigo 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).

  • Patent number: 6214277
    Abstract: Plastic composite gears and bearings with excellent friction and wear properties and further, plastic composite molded parts with excellent dimensional accuracy, can be presented at a low cost without adding large quantities of solid lubricant and glass fibers, etc., by adding a crystalline nucleus to crystalline polymers, such as polyacetal, polyamide, polyphenylene sulfide, etc.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: April 10, 2001
    Assignee: Starlite Co., Ltd.
    Inventors: Takamitsu Saigo, Tsukasa Akaishi, Yutaka Ueji, Masaya Kurokawa
  • Patent number: 5926033
    Abstract: A panel used for a surface light source device is constituted by a transparent substrate having high light transmission properties, the transparent substrate having an end surface on which light emitted from a light source is incident, a reflecting surface for reflecting the incident light, and a light emitting surface for emitting the incident light. The end surface on which the light is incident may be formed in a concave-convex shape in the direction of its end side.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: July 20, 1999
    Assignee: Starlite Company, Ltd.
    Inventors: Takamitsu Saigo, Teruo Taniguchi, Masayoshi Hashioka, Mitsuhiro Okamura, Kenji Kimijima