Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12252564 | Method for producing vinyl chloride type polymer | Kazuhiro Kumakura, Toshihiko Kawakubo | 2025-03-18 |
| 12240972 | Method for producing vinyl chloride type polymer | Kazuhiro Kumakura, Toshihiko Kawakubo | 2025-03-04 |