Patents by Inventor Mutsunori Hamaoka

Mutsunori Hamaoka 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).

  • Tape cartridge
    Patent number: 4731687
    Abstract: A partition wall and a pair of side ribs are disposed in the front portion of a tape cartridge with a gap substantially equal to a thickness of a magnetic shielding plate so as to support the magnetic shielding plate by the partition wall and the side ribs, so that the magnetic shielding plate can be placed in position correctly and easily, thereby assuring reliable positioning of a pad supporting plate.
    Type: Grant
    Filed: January 29, 1986
    Date of Patent: March 15, 1988
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Shinichi Kagano, Osamu Yamamoto, Kazuaki Urano, Mutsunori Hamaoka