Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757272 | Four phase PSK demodulator | Yukihiro Okada, Yuichi Ninomiya, Yoshimichi Ohtsuka, Yoshinori Izumi | 1988-07-12 |
| 4692801 | Bandwidth compressed transmission system | Yuichi Ninomiya, Yoshimichi Ohtsuka, Yoshinori Izumi | 1987-09-08 |