Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652438 | Light-emitting semiconductor device using group III nitride compound | Makoto Tamaki, Masayoshi Koike, Naoki Shibata, 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 | Masayoshi Koike, Katsuhide Manabe, Norikatsu Koide, Hisaki Kato, Naoki Shibata +2 more | 1997-07-22 |
| 5627109 | Method of manufacturing a semiconductor device that uses a sapphire substrate | Norikatsu Koide | 1997-05-06 |