Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639038 | Crystalline polypropylene and its moldings and films | Itaru Kuramoto, Yutaka Obata, Tsuyoshi Ota, Junichi Amano, Takashi Sumitomo | 2003-10-28 |
| 6552136 | Organosilicon compound, catalyst for olefin polymer production, and method for producing olefin polymer | Tsuyoshi Ota, Takanori Sadashima, Yasunori Kadoi, Kiyokazu Katayama | 2003-04-22 |