Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11473211 | Method of estimating oxygen concentration of silicon single crystal and method of manufacturing silicon single crystal | Shin Matsukuma, Kazuyoshi Takahashi, Toshinori Seki, Ryusuke Yokoyama | 2022-10-18 |
| 10711368 | Method for producing silicon single crystal | — | 2020-07-14 |
| 10526728 | Silicon wafer and method for manufacturing same | Satoshi Kudo, Kouzou Nakamura, Toshiyuki MURANAKA, Shuhei Matsuda, Keiichiro HIRAKI | 2020-01-07 |
| 9903044 | Silicon single crystal producing method | Kazumi Tanabe, Takashi Yokoyama | 2018-02-27 |