Patents by Inventor Kazuhiko Tomita

Kazuhiko Tomita 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).

  • Mobile communication system, mobile terminal, base station, mobile switching station and mobile communication control method
    Patent number: 6285684
    Abstract: A mobile communication system includes a mobile terminal, a base station, and a mobile switching station. The mobile terminal, the base station and the mobile switching station are constructed so that communication information and control information are transferred by an asynchronous transfer mode (ATM) cell between the mobile terminal and the base station, between mobile switching station and the base station.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: September 4, 2001
    Assignee: Fujitsu Limited
    Inventors: Norio Suzuki, Noriko Samejima, Kazuhiko Tomita, Keiji Kameyama, Eiji Morita