Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667416 | Method and apparatus for producing polyester polyol, polyester polyol and polyurethane foam | Katsumi Inaoka, Takashi Kumaki | 2003-12-23 |
| 6660236 | Apparatus for decomposition and recovery of polyurethane resin | Katsuhisa Kodama, Takashi Kumaki, Fumihiko Kasuya, Yoshiyuki Nagase, Masaaki Nakata +1 more | 2003-12-09 |