Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10427828 | Corrugated paperboard box, perforation forming method for perforating corrugated paperboard sheet, and perforation forming device and perforation forming unit for perforating corrugated paperboard sheet | Taishi Yamada, Hidetoshi Tonooka, Eiji Yamahara, Hiromu IKEDA, Taku Furuta +5 more | 2019-10-01 |