Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4334040 | Propylene block copolymers | Masaki Fujii | 1982-06-08 |
| 4311810 | Block copolymers of propylene and 4-methyl-1-pentene | Masaki Fujii, Hironori Todaka, Yoshihiro Ishizaki | 1982-01-19 |