Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330194 | Cleaning system and cleaning method | Atsushi Yoshida, Masahiko Ishida | 2025-06-17 |
| 12312691 | Method of manufacturing polycrystalline silicon rod | Masahiko Ishida, Tetsuro Okada | 2025-05-27 |