Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832770 | Method of manufacturing foamed polypropylene resin sheet | Akio Nojiri, Hirokazu Komatsu, Hidehito Shishikura | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832770 | Method of manufacturing foamed polypropylene resin sheet | Akio Nojiri, Hirokazu Komatsu, Hidehito Shishikura | 1989-05-23 |