Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7868111 | Method for producing α-olefin polymer | Toshio Okada, Tamiko Suga | 2011-01-11 |
| 4929680 | Preparation method of masterbatch composition for thermoplastic resin modification | Saburo Matsubara, Seizo Kobayashi, Katsumi Usui | 1990-05-29 |