Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7544414 | Oriented syndiotactic polystyrene-base film | Masayuki Tsutsumi, Hisato Kobayashi, Keizo Kawahara, Shinsuke Yamaguchi, Kazutake Okamoto +6 more | 2009-06-09 |
| 6323308 | Aliphatic polyester film | Hisato Kobayashi, Naonobu Oda, Keiji Mori, Tadashi Okudaira, Katsufumi Kumano | 2001-11-27 |