Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438157 | Spread spectrum receiver | — | 2002-08-20 |
| 6317454 | Rake receiver, and mobile unit and base station for portable telephone system and using the same | — | 2001-11-13 |
| 6263190 | Mobile communication apparatus with a security function and a method of communicating with a base station with security | Shigeru Toyoshima, Hiroyuki Saito | 2001-07-17 |