Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856027 | Carrier recovery phase-locked loop | Shigeki Nakamura | 1989-08-08 |
| 4843352 | Modulator for generating a burst-like modulated wave | Tadayuki Kamisaka, Kazuo Yagi, Shigeki Nakamura | 1989-06-27 |