Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170395 | Multidirection multiplex communication system | — | 1992-12-08 |
| 4882730 | TDMA communication system having common time slots for system maintenance | — | 1989-11-21 |
| 4653049 | Multidirection multiplex communication systems | — | 1987-03-24 |
| 4380814 | Baseband data switching apparatus for digital communications system | — | 1983-04-19 |
| 4297650 | Phase locked loop carrier recovery circuit with false lock prevention | — | 1981-10-27 |
| 4250456 | Device for demodulating PSK-FM double modulated carrier signals | Yoichi Tan | 1981-02-10 |