Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819693 | Sapphire monocrystal, semiconductor laser diode using the same for substrate, and method for manufacturing the same | Hiroyuki Kinoshita | 2004-11-16 |
| 6809010 | Sapphire single crystal, semiconductor laser diode using the same for substrate, and method for manufacturing the same | Hiroyuki Kinoshita | 2004-10-26 |