Issued Patents 2004
Showing 1–2 of 2 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 |
| 6677411 | Component of catalyst for olefin polymerization | Hideshi Uchino, Hiroshi Nakano, Shuuichi Toriu, Hirotugu Niwa, Yoshiyuki Ishihama +1 more | 2004-01-13 |