Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885920 | Process for producing catalyst carrier for olefin polymerization | Hirotoshi Takahashi, Yasushi Kuroda, Hisayoshi Yanagihara, Koichi Sekiya | 1999-03-23 |
| 5723399 | Ethylenic polymerization catalyst | Yasunori Takemoto, Takashi Monoi, Shintaro Inazawa | 1998-03-03 |