Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5851283 | Method and apparatus for production of single crystal | Masashi Sonokawa, Izumi Fusegawa, Tomohiko Ohta | 1998-12-22 |
| 5766346 | Apparatus for producing silicon single crystal | Toshirou Hayashi, Izumi Fusegawa, Tomohiko Ohta | 1998-06-16 |