Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472689 | Light emitting device | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2002-10-29 |
| 6472690 | Gallium nitride group compound semiconductor | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2002-10-29 |
| 6423984 | Light-emitting semiconductor device using gallium nitride compound semiconductor | Hisaki Kato, Hiroshi Watanabe, Shinya Asami | 2002-07-23 |
| 6420733 | Semiconductor light-emitting device and manufacturing method thereof | Shinya Asami, Junichi Umezaki, Masayoshi Koike, Shiro Yamasaki, Seiji Nagai | 2002-07-16 |
| 6410939 | Semiconductor light-emitting device and method of manufacturing the same | Yoshiyuki Takahira | 2002-06-25 |
| 6362017 | Light-emitting semiconductor device using gallium nitride group compound | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Shiro Yamazaki +2 more | 2002-03-26 |