Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198759 | Polycarbonate copolymer | Hideyuki Tsunemori, Katsuhiro Yamanaka | 2021-12-14 |
| 10919923 | Organic phosphorus-based compound, and flame retardant and flame-retardant product comprising the same | Katsuhiro Yamanaka, Naoshi Takahashi | 2021-02-16 |