Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5896216 | AM/PM converter and optical signal transmission system | Koji Kikushima, Nori Shibata, Kouichi Suto, Satoshi Ikeda, Hiroshi Nakamoto +3 more | 1999-04-20 |
| 4979825 | Device for measuring optical frequency modulation characteristics | — | 1990-12-25 |