Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885125 | Method for in-mold polymerization of unsaturated compound | Yasuyuki Kato, Masahiro Yuyama, Yukio Yasunori | 1989-12-05 |
| 4859750 | Method for the production of polymethyl methacrylate | Yasuyuki Kato, Masahiro Yuyama, Yukio Yasunori | 1989-08-22 |
| 4837286 | Method for the production of polymethacrylates | Yasuyuki Kato, Masahiro Yuyama, Yukio Yasunori | 1989-06-06 |