Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695557 | Process for producing a semiconductor substrate | Takao Yonehara | 1997-12-09 |
| 5679475 | Semiconductor substrate and process for preparing the same | Takao Yonehara | 1997-10-21 |
| 5670411 | Process of making semiconductor-on-insulator substrate | Takao Yonehara | 1997-09-23 |
| 5653802 | Method for forming crystal | — | 1997-08-05 |