Patents by Inventor Tadashi Aikawa

Tadashi Aikawa 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).

  • Portable laptop computer
    Patent number: D341579
    Type: Grant
    Filed: January 2, 1992
    Date of Patent: November 23, 1993
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Shinichi Sugihara, Tetsuya Imamura, Masahiko Moriwaki, Tadashi Aikawa