Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10882157 | Polishing pad and polishing method | Hitoshi Morinaga, Kazusei Tamai, Maiko Asai, Yuuichi Ito | 2021-01-05 |
| 9157011 | Polishing composition | Keiji ASHITAKA, Hitoshi Morinaga | 2015-10-13 |
| 8226924 | Method for producing boehmite particles and method for producing alumina particles | Hitoshi Morinaga, Keiji ASHITAKA | 2012-07-24 |