Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6442133 | Switchboard having a dual switching system | — | 2002-08-27 |
| 6014566 | Mobile communication system | — | 2000-01-11 |
| 5768688 | Radio port testing method and mobile communication system | — | 1998-06-16 |
| 5636219 | System for processing synchronization signals with phase synchronization in mobile communication network | Hironao Tanaka, Toshiya Tsuji | 1997-06-03 |
| 5627832 | System for processing synchronization signals with phase synchronization in a mobile communication network | Hironao Tanaka, Toshiya Tsuji | 1997-05-06 |
| 5542094 | Mobile communication system making use of | Masahiko Yahagi | 1996-07-30 |
| 5533024 | Radio channel selection method and system | — | 1996-07-02 |
| 5426633 | System for processing synchronization signals with phase synchronization in a mobile communication network | Hironao Tanaka, Toshiya Tsuji | 1995-06-20 |