Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359062 | Polycarbonate resin, method for producing same, polycarbonate resin composition and molded body | Keisuke Shimokawa, Hidefumi Harada | 2025-07-15 |
| 12304998 | Polycarbonate resin | Keisuke Shimokawa, Hidefumi Harada, Jungo TAGUCHI | 2025-05-20 |
| 12202786 | Method for producing aromatic nitrile compound and method for producing carbonate ester | Hidefumi Harada, Keisuke Shimokawa, Ryotaro UMEZU | 2025-01-21 |