Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973109 | Semiconductor laser device having strain buffer layer between compressive-strain quantum well layer and tensile-strain barrier layer | Toshiaki Fukunaga | 2005-12-06 |
| 6876688 | Semiconductor laser and method of manufacturing the same | Toshiro Hayakawa, Toshiaki Fukunaga | 2005-04-05 |