Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154960 | Polishing pad and polishing method using same | Mitsuru Kato, Chihiro Okamoto, Shinya Kato | 2021-10-26 |
| 11053339 | Polyurethane for polishing layer, polishing layer including polyurethane and modification method of the polishing layer, polishing pad, and polishing method | Azusa OSHITA, Mitsuru Kato, Chihiro Okamoto, Shinya Kato | 2021-07-06 |