Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841003 | Process for producing olefin polymers | Norio Kashiwa, Mamoru Kioka | 1989-06-20 |
| 4822840 | Low-crystalline propylene random copolymer composition, process for production thereof, and polypropylene composite laminated structure | Mamoru Kioka, Masahiro Sugi, Norio Kashiwa | 1989-04-18 |