Issued Patents 2003
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645785 | Light-emitting semiconductor device using group III nitride compound | Shinya Asami | 2003-11-11 |
| 6645295 | Method for manufacturing group III nitride compound semiconductor and a light-emitting device using group III nitride compound semiconductor | Seiji Nagai | 2003-11-11 |
| 6639258 | Group III nitride compound semiconductor device | Shiro Yamasaki | 2003-10-28 |
| 6631149 | Laser diode using group III nitride group compound semiconductor | Yuta Tezen | 2003-10-07 |
| 6620643 | Light-emitting device using group III nitride compound semiconductor | — | 2003-09-16 |
| 6617061 | Group III nitride compound semiconductor device and group III nitride compound semiconductor light-emitting device | Shiro Yamasaki | 2003-09-09 |
| 6552376 | Group III nitride compound semiconductor device | Shiro Yamasaki | 2003-04-22 |
| 6541798 | Group III nitride compound semiconductor device and group III nitride compound semiconductor light-emitting device | Shiro Yamasaki | 2003-04-01 |
| 6541293 | Semiconductor light-emitting device and manufacturing method thereof | Norikatsu Koide, Shinya Asami, Junichi Umezaki, Shiro Yamasaki, Seiji Nagai | 2003-04-01 |
| 6518599 | Light-emitting device using group III nitride group compound semiconductor | Tamiyo Umezaki, Yuta Tezen, Toshio Hiramatsu | 2003-02-11 |