Patents by Inventor Satoshi Masamitsu

Satoshi Masamitsu 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).

  • Wireless telephone
    Patent number: D315729
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: March 26, 1991
    Assignee: Sony Corporation
    Inventors: Masakazu Kanatani, Satoshi Masamitsu
  • Relay machine for wireless telephone
    Patent number: D317449
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: June 11, 1991
    Assignee: Sony Corporation
    Inventors: Masakazu Kanatani, Satoshi Masamitsu
  • Portable computer with trackball below keyboard
    Patent number: D365335
    Type: Grant
    Filed: August 25, 1994
    Date of Patent: December 19, 1995
    Assignee: Dell USA, L.P.
    Inventors: John P. Busch, Steven D. Gluskoter, Satoshi Masamitsu, Nobuyuki Nishigori