Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343852 | Composite film and packaging material of polypropylene base and surface polymer composition | Tsutomu Isaka, Kazuyoshi Ohashi | 1982-08-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343852 | Composite film and packaging material of polypropylene base and surface polymer composition | Tsutomu Isaka, Kazuyoshi Ohashi | 1982-08-10 |