Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12012337 | Method for producing porous metal oxide | Robert Hepburn | 2024-06-18 |
| 11767224 | Method for producing silica sol | Yusuke Kawasaki, Masaaki Ito, Jun SHINODA, Keiji ASHITAKA | 2023-09-26 |
| 11554967 | Method for producing porous metal oxide | Robert Hepburn | 2023-01-17 |
| 11530335 | Modified colloidal silica and method for producing the same, and polishing agent using the same | Keiji ASHITAKA | 2022-12-20 |
| 11518682 | Method for producing silica sol | Yusuke Kawasaki, Masaaki Ito, Jun SHINODA, Keiji ASHITAKA | 2022-12-06 |
| 11499070 | Modified colloidal silica and method for producing the same, and polishing agent using the same | Keiji ASHITAKA | 2022-11-15 |
| 10913857 | Method for producing aluminum hydroxide-coated silicon carbide particle powder and method for producing dispersion containing the same powder and dispersing medium | Souma TAGUCHI, Keiji ASHITAKA, Naoya MIWA | 2021-02-09 |
| 10570322 | Polishing composition | Keiji ASHITAKA | 2020-02-25 |
| 9611406 | Polishing composition, and polishing method and substrate production method using same | Kazusei Tamai, Keiji ASHITAKA | 2017-04-04 |