Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696034 | Method for producing semiconductor substrate | Masatake Katayama, Isao Shirai, Youichi Kumaki, Akio Kasahara | 1997-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696034 | Method for producing semiconductor substrate | Masatake Katayama, Isao Shirai, Youichi Kumaki, Akio Kasahara | 1997-12-09 |