Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5157390 | Method for providing network service in a communication system | Tetsuo Takemura, Yutaka Fukushima, Fumito Sato | 1992-10-20 |
| 5006979 | Phase synchronization system | Mitsuharu Nagai | 1991-04-09 |