Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6298236 | Method of use of a control channel in a cellular communications system | Jun Yamada, Masaki Terashima | 2001-10-02 |
| 5943396 | System and method for preventing unauthorized use of a micro cellular system | Masaki Terashima, Jun Yamada | 1999-08-24 |
| 5907806 | Method of use of a control channel in a cellular communications system | Jun Yamada, Masaki Terashima | 1999-05-25 |
| 5625869 | System for preventing unauthorized use of a micro cellular system operating in coexistence with a cellular system | Masaki Terashima, Jun Yamada | 1997-04-29 |