Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5533041 | Optical transmission and reception device | Hajime Shoji | 1996-07-02 |
| 5477363 | Optical switching device | — | 1995-12-19 |
| 5373520 | Surface emitting laser and method of manufacturing the same | Hajime Shoji, Koji Otsubo, Tatsuroh Ikeda, Hiroshi Ishikawa | 1994-12-13 |
| 5358898 | Method of making a tunable laser diode having a distributed feedback structure | Shouichi Ogita, Yuji Kotaki | 1994-10-25 |
| 5170402 | Tunable laser diode having a distributed feedback structure | Shouichi Ogita, Yuji Kotaki | 1992-12-08 |