Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7817692 | Nitride semiconductor laser device having current blocking layer and method of manufacturing the same | Hiroaki Matsumura | 2010-10-19 |
| 7227879 | Nitride semiconductor laser device having current blocking layer and method of manufacturing the same | Hiroaki Matsumura | 2007-06-05 |