Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825280 | Propylene block copolymer and propylene resin composition | Yu Hayakawa, Tsuyoshi Ogasawara, Yuuji Fujita, Masao Sakaizawa, Kimiho Kosegaki +5 more | 2004-11-30 |
| 6825371 | Catalysts for polymerization of &agr;-olefins, process for producing &agr;-olefin polymers, novel transition metal compounds and catalyst components for polymerization of &agr;-olefin | Masami Kashimoto, Taku Kato | 2004-11-30 |
| 6756463 | Propylene polymer | Masaaki Ito, Kiyoshi Yukawa | 2004-06-29 |
| 6677411 | Component of catalyst for olefin polymerization | Hideshi Uchino, Hiroshi Nakano, Shuuichi Toriu, Takao Tayano, Hirotugu Niwa +1 more | 2004-01-13 |