Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6005263 | Light emitter with lowered heterojunction interface barrier | Shinji Saito, Masaaki Onomura, Yukie Nishikawa, Masayuki Ishikawa | 1999-12-21 |
| 5821555 | Semicoductor device having a hetero interface with a lowered barrier | Shinji Saito, Masaaki Onomura, Yukie Nishikawa, Masayuki Ishikawa | 1998-10-13 |
| 5696389 | Light-emitting semiconductor device | Masayuki Ishikawa, Hideto Sugawara, Yukie Nishikawa, Masaaki Onomura, Shinji Saito +5 more | 1997-12-09 |
| 5585649 | Compound semiconductor devices and methods of making compound semiconductor devices | Masayuki Ishikawa, Yukie Nishikawa, Masaaki Onomura, Shinji Saito, Genichi Hatakoshi | 1996-12-17 |
| 5488233 | Semiconductor light-emitting device with compound semiconductor layer | Masayuki Ishikawa, Yukie Nishikawa, Shinji Saito, Masaaki Onomura, Koichi Nitta +1 more | 1996-01-30 |