Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5612539 | Method of evaluating lifetime related quality of semiconductor surface | Ryoji Hoshi, Yutaka Kitagawara | 1997-03-18 |
| 5600158 | Semiconductor light emitting device with current spreading layer | Nobuhiko Noto, Keizo Adomi | 1997-02-04 |
| 5597761 | Semiconductor light emitting device and methods of manufacturing it | Keizo Adomi, Nobuhiko Noto, Akio Nakamura | 1997-01-28 |
| 5598452 | Method of evaluating a silicon single crystal | Hiroshi Takeno, Ryoji Hoshi, Satoshi Ushio | 1997-01-28 |