Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6592662 | Method for preparing silicon single crystal and silicon single crystal | Izumi Fusegawa, Ryoji Hoshi, Tomohiko Ohta | 2003-07-15 |
| 6156119 | Silicon single crystal and method for producing the same | Ryoji Hoshi, Tomohiko Ohta | 2000-12-05 |