Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085985 | Method for determining distance between reference member and melt surface, method for controlling location of melt surface using the same, and apparatus for production silicon single crystal | Masahiko Urano | 2011-12-27 |
| 7909930 | Method for producing a silicon single crystal and a silicon single crystal | Ryoji Hoshi, Naoki Nagai | 2011-03-22 |