Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845174 | Process for preparing a vinyl chloride polymer | Tadashi Amano, Junichi Watanabe | 1989-07-04 |
| 4839195 | Coating blade for microtome and method for the preparation thereof | Tamaki Iida | 1989-06-13 |