Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292487 | Czochralski method using a member for intercepting radiation from raw material molten solution and apparatus therefor | Shin-ichi Sawada | 1994-03-08 |
| 5290395 | Method of and apparatus for preparing single crystal | Kazuhisa Matsumoto, Tomohiro Kawase | 1994-03-01 |