Issued Patents 2022
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492513 | Dispersion liquid of silica particles, polishing composition, and method for producing dispersion liquid of silica particles | Mitsuaki Kumazawa, Ryo Muraguchi, Michio Komatsu | 2022-11-08 |
| 11427730 | Dispersion liquid of silica particles and production method therefor | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2022-08-30 |
| 11312634 | Production method for dispersion liquid of silica particle | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2022-04-26 |
| 11254580 | Silica particle liquid dispersion and production method therefor | Mitsuaki Kumazawa, Hirotada ARAKANE, Ryo Muraguchi, Toshiharu Hirai | 2022-02-22 |