Patents by Inventor Takeji Fujihara

Takeji Fujihara 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).

  • Electronic components mounting base material
    Patent number: 5437921
    Abstract: A base material for mounting electronic components is provided which has a low density and a coefficient of thermal expansion close to that of aluminum and can be processed with ease. The base material essentially consists of aluminum or an aluminum alloy reinforced with carbon fibers with a volume fraction ranging from 0.15 to 0.55, the carbon fibers in the base material being arranged at random on a surface for mounting an electronic component and being arranged in layer in a direction vertical to the above-described surface.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: August 1, 1995
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasuo Kogo, Takefumi Ito, Mitsuhiro Okumura, Kiyoshi Yoshizaki, Takeji Fujihara, Hirofumi Yamashita