Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758639 | Process for production of vinyl polymer | Hajime Kutamura, Toshihide Shimizu, Ichiro Kaneko | 1988-07-19 |
| 4757124 | Process for production of vinyl chloride polymer | Hajime Kitamura, Toshihide Shimizu, Ichiro Kaneko | 1988-07-12 |
| 4528336 | Method for preventing polymer scale deposition in polymerization of ethylenically unsaturated monomers | Hajime Kitamura, Toshihide Shimizu, Ichiro Kaneko | 1985-07-09 |
| 4232141 | Method for the preparation of vinyl chloride polymers | Hajime Kitamura, Kazuhiko Kurimoto | 1980-11-04 |