Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11186921 | Method for controlling convection pattern of silicon melt and method for producing monocrystalline silicon | Ryusuke Yokoyama | 2021-11-30 |
| 11078595 | Method of producing silicon single crystal ingot and silicon single crystal ingot | Masataka Hourai, Toshiaki Ono, Toshiyuki Fujiwara | 2021-08-03 |