Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344702 | Polyurethane for polishing layer, polishing layer, and polishing pad | Kiyofumi Kadowaki, Mitsuru Kato, Chihiro Okamoto, Shinya Kato | 2025-07-01 |
| 12109665 | Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad | Azusa OSHITA, Mitsuru Kato, Chihiro Okamoto, Shinya Kato | 2024-10-08 |
| 11787894 | 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 | 2023-10-17 |
| 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 |
| 10625391 | Non-porous molded article for polishing layer, polishing pad, and polishing method | Kiyofumi Kadowaki, Shinya Kato, Chihiro Okamoto, Mitsuru Kato | 2020-04-21 |
| 10328548 | Polishing-layer molded body, and polishing pad | Kiyofumi Kadowaki, Shinya Kato, Chihiro Okamoto, Mitsuru Kato | 2019-06-25 |
| 9536752 | Slurry for chemical mechanical polishing and polishing method for substrate using same | Mitsuru Kato, Chihiro Okamoto, Shinya Kato | 2017-01-03 |