Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897805 | Polyisocyanate production method and polyisocyanate production system | Masaaki Sasaki, Takao Naito, Fumiaki Hirata, Masato Saruwatari, Hirofumi Takahashi +4 more | 2011-03-01 |
| 7767160 | Apparatus for continuously producing polyisocyanate | Masaaki Sasaki, Mitsunaga Douzaki, Hirofumi Takahashi, Osamu Hososaka | 2010-08-03 |
| 7718145 | Polyisocyanate production system and gas treatment apparatus | Masaaki Sasaki, Hirofumi Takahashi, Takao Naito, Kouichirou Terada, Takashi Yamaguchi +1 more | 2010-05-18 |