Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11339309 | Polishing liquid and polishing method | Ken MATSUO, Mikimasa Horiuchi, Akinori Kumagai | 2022-05-24 |
| 11015086 | Polishing slurry and polishing material | Akinori Kumagai | 2021-05-25 |