Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881154 | Data scramble transmission system | Katsuyuki Yamazaki | 1999-03-09 |
| 4910792 | Up-link power control in satellite communications system | Fumio Takahata, Yoshio Takeuchi | 1990-03-20 |
| 4870642 | Demand-assignment communication system | Fumio Takahata | 1989-09-26 |
| 4783779 | Frequency assignment system in FDMA communication system | Fumio Takahata, Yasuo Hirata | 1988-11-08 |