Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692501 | Process for continuous multi-stage polymerization of olefins | Haruyuki Koda, Ryoichi Yamamoto | 1987-09-08 |
| 4316966 | Process for producing chemically blended propylene resin composition | Nobuo Sato, Susumu Masaki | 1982-02-23 |