Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639038 | Crystalline polypropylene and its moldings and films | Yutaka Obata, Tsuyoshi Ota, Toshio Isozaki, Junichi Amano, Takashi Sumitomo | 2003-10-28 |
| 6455659 | Crystalline polypropylene and molded object and film thereof | Yutaka Obata, Tsuyoshi Ota, Toshio Isozaki | 2002-09-24 |