Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767224 | Method for producing silica sol | Yusuke Kawasaki, Shogo Tsubota, Masaaki Ito, Keiji ASHITAKA | 2023-09-26 |
| 11518682 | Method for producing silica sol | Yusuke Kawasaki, Shogo Tsubota, Masaaki Ito, Keiji ASHITAKA | 2022-12-06 |
| 11001501 | Method for producing silica sol | Keiji ASHITAKA, Masaaki Ito | 2021-05-11 |
| 10604411 | Method for producing silica sol | Keiji ASHITAKA, Masaaki Ito | 2020-03-31 |