Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700713 | Light emitting semiconductor device using group III nitride compound and method of producing the same | Shiro Yamazaki, Masayoshi Koike | 1997-12-23 |
| 5652438 | Light-emitting semiconductor device using group III nitride compound | Michinari Sassa, Makoto Tamaki, Masayoshi Koike, Masami Yamada, Takahide Oshio | 1997-07-29 |
| 5650641 | Semiconductor device having group III nitride compound and enabling control of emission color, and flat display comprising such device | Michinari Sassa, Masayoshi Koike, Katsuhide Manabe, Norikatsu Koide, Hisaki Kato +2 more | 1997-07-22 |