Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351876 | Laminate films and sheets of crosslinked polyethylene resins | Shuhei Doi, Shinichiro Iida | 1982-09-28 |
| 4343852 | Composite film and packaging material of polypropylene base and surface polymer composition | Kazuyoshi Ohashi, Yukinobu Miyazaki | 1982-08-10 |