Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702973 | Method for forming epitaxial semiconductor wafer for CMOS integrated circuits | Witiwat Wijaranakula | 1997-12-30 |
| 5650353 | Method for production of SOI substrate | Katsuo Yoshizawa, Tsutomu Sato, Masatake Katayama | 1997-07-22 |