Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8669394 | Method for decomposing and recovering isocyanate compound | Fumihiko Kasuya, Masahiro Yamagata, Tadashi Yoshida | 2014-03-11 |
| 8519190 | Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues | Masaaki Sasaki, Tadashi Yoshida | 2013-08-27 |
| 8038958 | Method for decomposing and recovering isocyanate compound | Fumihiko Kasuya, Masahiro Yamagata, Tadashi Yoshida | 2011-10-18 |
| 6630517 | Process for hydrolyzing and recycling a polyurethane | Satoshi Nishida, Osamu Kato, Yoshiyuki Nagase, Ryuichi Fukuzato, Masahiro Yamagata +3 more | 2003-10-07 |