Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7449048 | Method of reusing exhaust gas in polymer production plant | Hiroto Nishida, Etsurou Okamoto, Yoshiaki Deguchi | 2008-11-11 |
| 7446147 | Propylene resin composition | Masamichi Naito, Ikunori Sakai, Yoshio Sugimoto | 2008-11-04 |