Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11441238 | Silicon monocrystal manufacturing method and silicon monocrystal pulling device | Ryusuke Yokoyama, Wataru Sugimura | 2022-09-13 |
| 11261540 | Method of controlling convection patterns of silicon melt and method of manufacturing silicon single crystal | Naoki Matsushima, Ryusuke Yokoyama, Wataru Sugimura | 2022-03-01 |