Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440804 | Process for producing polycrystalline silicon mass | Junichi Okada, Fumitaka Kume | 2022-09-13 |
| 11242620 | Polycrystalline silicon rod and method for producing polycrystalline silicon rod | Shuichi Miyao, Naruhiro Hoshino, Tetsuro Okada, Masahiko Ishida | 2022-02-08 |
| 11230796 | Resin material, vinyl bag, polycrystalline silicon rod, polycrystalline silicon mass | Shuichi Miyao, Kazunori Watanabe | 2022-01-25 |