Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699187 | Optical coupler | Hideki Noda, Hiroaki Matsuda | 1997-12-16 |
| 5696859 | Optical-filter array, optical transmitter and optical transmission system | Hiroshi Onaka, Hideyuki Miyata | 1997-12-09 |
| 5692082 | Laser diode module and depolarizer | — | 1997-11-25 |
| 5661602 | Beam splitter | Hiroaki Matsuda, Hideki Noda | 1997-08-26 |
| 5646399 | Tunable optical filter having beam splitter and movable film filter | Hiroshi Onaka | 1997-07-08 |
| 5625494 | Optical band-pass filter having two pass bands | — | 1997-04-29 |