Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667584 | Method for the preparation of a single crystal of silicon with decreased crystal defects | Kiyotaka Takano, Eiichi Iino, Hirotoshi Yamagishi | 1997-09-16 |
| 5609682 | Method for the preparation of silicon single crystal | Wataru Sato, Ohta Tomohiko, Katsuhiko Kemmochi | 1997-03-11 |