Patents by Inventor Masahisa Fujigaki

Masahisa Fujigaki 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).

  • Illuminated switches and rubber material for the cover piece therefor
    Patent number: 5407721
    Abstract: A finger touch member of an illuminated switch prepared by a process comprising printing or coating a surface of a multicomponent rubber material composed of, as essential components, 90-70% by weight of EPDM and 5-30% by weight of liquid polymerized butadiene rubber, with an ink of contemplated color, covering the entire top face of the resulting printed or coated cover piece with a light blocking coating layer and irradiating the so covered top face with a laser beam to cut out the coating layer in a contemplated pattern.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: April 18, 1995
    Assignee: Fuji Polymertech Co., Ltd.
    Inventors: Masahisa Fujigaki, Yasuko Kimura, Keiko Hartgae