Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977288 | Production process for vinyl chloride polymer | Yoshinori Nakahara, Yasuhiro Takahashi, Tadashi Amano | 2005-12-20 |
| 5763545 | Polymerization apparatus and a method for producing polymer using the same | Tadashi Amano, Yoshihiko Hirai, Yoshitaka Okuno | 1998-06-09 |