Patents by Inventor Chinatsu Azuma

Chinatsu Azuma 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: 5109270
    Abstract: A high frequency semiconductor device comprising metal electrode leads formed on one surface of a flexible film, a plurality of bumps formed on selected portions of the electrode patterns, a recessed portion formed on the flexible film within a region bounded by the plurality of bumps and a plurality of electrode pads of a high frequency semiconductor element respectively bonded to the bumps in alignment with each other.
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: April 28, 1992
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shutaro Nambu, Osamu Ishikawa, Chinatsu Azuma