Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7893446 | Nitride semiconductor light-emitting device providing efficient light extraction | Atsushi Ogawa, Satoshi Komada, Hiroshi Nakatsu | 2011-02-22 |
| 6822270 | Semiconductor light emitting device having gallium nitride based compound semiconductor layer | Norikatsu Koide, Takeshi Nishino | 2004-11-23 |