Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6953831 | Ethylene polymers | Yoshiyuki Ishihama, Masayuki Yamazaki, Kou Obata | 2005-10-11 |
| 6943227 | Catalyst for olefin polymerization and method of polymerization of olefin | Yoshiyuki Ishihama | 2005-09-13 |
| 6916886 | Propylene block copolymer | Tetsuya Morioka, Kazuya Sakata, Masaaki Itou, Yuu Hayakawa | 2005-07-12 |