Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427730 | Dispersion liquid of silica particles and production method therefor | Miki Egami, Mitsuaki Kumazawa, Ryo Muraguchi, Toshiharu Hirai | 2022-08-30 |
| 11312634 | Production method for dispersion liquid of silica particle | Miki Egami, Mitsuaki Kumazawa, Ryo Muraguchi, Toshiharu Hirai | 2022-04-26 |
| 11254580 | Silica particle liquid dispersion and production method therefor | Miki Egami, Mitsuaki Kumazawa, Ryo Muraguchi, Toshiharu Hirai | 2022-02-22 |
| 10301183 | Silica particle dispersion and production method of the same | Miki Egami, Mitsuaki Kumazawa, Ryo Muraguchi, Toshiharu Hirai | 2019-05-28 |
| 10190023 | Silica-based polishing particle and abrasive | Mitsuaki Kumazawa, Miki Egami, Ryo Muraguchi, Toshiharu Hirai | 2019-01-29 |
| 10184069 | Silica-based polishing particle and abrasive | Mitsuaki Kumazawa, Miki Egami, Ryo Muraguchi, Toshiharu Hirai | 2019-01-22 |