Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6197985 | Solid aluminoxane for catalyst carrier, process for preparing the same, and uses thereof | Kazuhito Gotoh, Shigeru Isayama, Tetsuhiro Matsumoto | 2001-03-06 |
| 6060416 | Prepolymerized solid catalyst, process for preparing the same, and process for heterogeneous polymerization of olefins | Tetsuhiro Matsumoto | 2000-05-09 |
| 5939345 | Prepolymerized solid catalyst, process for preparing the same, and process for heterogeneous polymerization of olefins | Tetsuhiro Matsumoto | 1999-08-17 |
| 5599885 | Process for the preparation of polyolefin | Masaaki Kawasaki, Yoshio Miyake, Tomoko Sueyoshi | 1997-02-04 |