Patents by Inventor Mashahiko Niinomi

Mashahiko Niinomi 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).

  • Magnetic disk jacket
    Patent number: 5146381
    Abstract: In a magnetic disk jacket including a liner partly welded to the inner surface of a case and adapted to clean the surface of a magnetic disk, the liner contains 0.001 to 0.05g of a polydimethylsiloxane derivative having a viscosity of from 50 to 3000 cSt at 25.degree. C. and having a polyether group or both polyether group and epoxy group in a molecule per 1 g of the liner.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: September 8, 1992
    Assignee: KAO Corporation
    Inventors: Hiroshi Ikeda, Nobuyuki Kishine, Tsuyoshi Otani, Mashahiko Niinomi