Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664208 | Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer | Masayuki Fujita, Masaaki Nabika, Tatsuya Miyatake, Tsuyoshi Watanabe, Yoshinori Seki | 2003-12-16 |
| 6632910 | Covering material | Yasuyuki Takagi, Hiroaki Takahata | 2003-10-14 |