Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627714 | Method for producing an olefin type copolymer having a cyclic structure | Shigeharu Yamamoto, Sakae Kamiyama, Yoji Suzuki, Kazuhiko Mizuno, Yoko Furuyama +1 more | 2003-09-30 |
| 6569800 | Catalyst component for polymerization of olefins, polymerization catalyst and process of polymerization of olefins by using the same | Shigeharu Yamamoto, Masatoshi Tsuchitani | 2003-05-27 |