Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5527751 | Polymerization catalyst and method for producing polyolefin or olefin block copolymer using the same | Tsuyoshi Matsumoto, Kazuo Soga | 1996-06-18 |
| 5422400 | Method for producing an ethylenic polymer composition | Sakae Kamiyama, Masao Kawahara, Keizo Kase, Kouji Mizokami, Tsuyoshi Matsumoto | 1995-06-06 |