Patents by Inventor Seigo Miyoshi

Seigo Miyoshi 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 unit and mobile communication system
    Patent number: 6671509
    Abstract: A mobile station (mobile communication unit) receives system software from a base station via an antenna and a transmitter/receiver, and stores the received system software in a memory. A digital signal processor in the mobile station then performs communication processing according to the system software stored in the memory. By transmitting various system software from the base station, the single mobile station can easily be adapted to different communication principles. The base station also receives system software from a center via a public exchange network, and stores the received system software in a memory. A digital signal processor in the base station then performs communication processing according to the system software stored in the memory.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: December 30, 2003
    Assignee: Kokusai Electric Co., Ltd.
    Inventors: Masaki Tanaka, Kenzo Urabe, Seigo Miyoshi, Yoshikuni Itoh, Hideto Yamaguchi