Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6635901 | Semiconductor device including an InGaAIN layer | Nobuhiko Sawaki, Yoshio Honda, Katsuki Furukawa | 2003-10-21 |
| 6617668 | Methods and devices using group III nitride compound semiconductor | Hisaki Kato | 2003-09-09 |
| 6607595 | Method for producing a light-emitting semiconductor device | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2003-08-19 |
| 6593599 | Light-emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2003-07-15 |
| 6580098 | Method for manufacturing gallium nitride compound semiconductor | — | 2003-06-17 |
| 6541293 | Semiconductor light-emitting device and manufacturing method thereof | Shinya Asami, Junichi Umezaki, Masayoshi Koike, Shiro Yamasaki, Seiji Nagai | 2003-04-01 |