Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154960 | Polishing pad and polishing method using same | Minori TAKEGOSHI, 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, Minori TAKEGOSHI, Chihiro Okamoto, Shinya Kato | 2021-07-06 |
| 10994968 | Elevator rope elongation measuring device | Hideki Miyazawa, Yoshiki Nota, Yusuke Watabe | 2021-05-04 |