Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6351469 | Sound/data sharing communications system | Keiichi Otani, Masaharu Matsumoto, Koji Yano, Takaya Yamamoto | 2002-02-26 |
| 6347092 | Time division multiple access communication system, signal receiving method in time division multiple access communication system, and center unit for use in time division multiple access communication system | Takayuki Ogawa, Takaya Yamamoto | 2002-02-12 |