Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853664 | Semiconductor laser element, semiconductor etchant, and method of fabricating the semiconductor laser element | Keiichi Yabusaki, Michio Ohkubo | 2005-02-08 |
| 6549554 | Semiconductor laser element, semiconductor etchant, and method of fabricating the semiconductor laser element | Keiichi Yabusaki, Michio Ohkubo | 2003-04-15 |