Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344702 | Polyurethane for polishing layer, polishing layer, and polishing pad | Kiyofumi Kadowaki, Mitsuru Kato, Minori TAKEGOSHI, Shinya Kato | 2025-07-01 |
| 12252634 | Polyurethane for polishing layers, polishing layer and polishing pad | Mitsuru Kato, Shinya Kato | 2025-03-18 |
| 12186855 | Polishing pad, method for manufacturing polishing pad, and polishing method | Mitsuru Kato, Hirofumi Kikuchi, Shinya Kato | 2025-01-07 |