Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370890 | Door frame structure and method for mounting door frame structure | Ryo Imuta, Shota Inoue | 2019-08-06 |
| 10006238 | Load-type door opening and closing device | Tamotsu Hashimoto | 2018-06-26 |