Issued Patents 2019
Showing 1–2 of 2 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, Takashi Kajizuka, Hidetoshi Tonooka, Eiji Yamahara, Hiromu IKEDA +5 more | 2019-10-01 |
| 10301058 | Locking structure, container utilizing locking structure, and container assembling apparatus | Takafumi Makiuchi, Noriyoshi Azuma, Haruhiko Yamada, Takahiro Okuda, Tokimasa Kuroda | 2019-05-28 |