Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473211 | Method of estimating oxygen concentration of silicon single crystal and method of manufacturing silicon single crystal | Kazuyoshi Takahashi, Toshinori Seki, Tegi Kim, Ryusuke Yokoyama | 2022-10-18 |
| 8216371 | Single crystal manufacturing apparatus and method | Tetsuhiro Iida | 2012-07-10 |
| 6179910 | Method for manufacturing silicon single crystals and wafers adapted for producing semiconductors | Takashi Yokoyama, Toshiaki Saishoji, Kozo Nakamura, Junsuke Tomioka | 2001-01-30 |