Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167994 | Polycrystalline silicon rod, processing method for polycrystalline silicon rod, method for evaluating polycrystalline silicon rod, and method for producing FZ single crystal silicon | Shigeyoshi Netsu, Junichi Okada | 2021-11-09 |
| 10914021 | Polycrystalline silicon rod and method for producing single crystal silicon | Masahiko Ishida, Naruhiro Hoshino, Shigeyoshi Netsu | 2021-02-09 |