Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325639 | Colloidal silica and production method therefor | Hideki Otsuki, Yoshiki Michiwaki, Yuma Negishi | 2025-06-10 |
| 12286356 | Colloidal silica and method for producing same | Yuma Negishi, Hideki Otsuki, Hiroaki Yamashita | 2025-04-29 |