Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351672 | Chlorinated vinyl-chloride-based resin | Norikazu Mashino, Isao Higuchi, Yasunari Kusaka | 2025-07-08 |
| 12187883 | Chlorinated vinyl chloride resin | Norikazu Mashino, Isao Higuchi, Yasunari Kusaka | 2025-01-07 |