Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768137 | Laminated semiconductor substrate and optical semiconductor element | Mitsuhiro Kushibe, Yasuo Ohba, Rei Hashimoto | 2004-07-27 |
| 6678307 | Semiconductor surface light-emitting device | Mizunori Ezaki | 2004-01-13 |