Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36747 | Light-emitting device of gallium nitride compound semiconductor | Katsuhide Manabe, Makoto Tamaki, Masafumi Hashimoto | 2000-06-27 |
| 5905276 | Light emitting semiconductor device using nitrogen-Group III compound | Katsuhide Manabe, Hisaki Kato, Michinari Sassa, Isamu Akasaki, Hiroshi Amano | 1999-05-18 |
| 5408120 | Light-emitting device of gallium nitride compound semiconductor | Katsuhide Manabe, Makoto Tamaki, Masafumi Hashimoto | 1995-04-18 |
| 5281830 | Light-emitting semiconductor device using gallium nitride group compound | Isamu Akasaki, Hiroshi Amano | 1994-01-25 |
| 5205905 | Dry etching method for semiconductor | Katsuhide Manabe, Masaki Mori, Masafumi Hashimoto | 1993-04-27 |
| 4946548 | Dry etching method for semiconductor | Masafumi Hashimoto | 1990-08-07 |
| 4646208 | Vehicle top mark | Ken Hayashi, Kunikazu Hirozawa | 1987-02-24 |