Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11590509 | Method for manufacturing polycrystalline silicon fragment and polycrystalline silicon block fracture device | Kazuhiro Kawaguchi, Masami Fujii, Sho Uchida, Manabu Kondo, Nobuaki Yoshimatsu | 2023-02-28 |
| 10307763 | Polycrystalline silicon fragment, method for manufacturing polycrystalline silicon fragment, and polycrystalline silicon block fracture device | Kazuhiro Kawaguchi, Masami Fujii, Sho Uchida, Manabu Kondo, Nobuaki Yoshimatsu | 2019-06-04 |