Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9797171 | Plug door device | Atsuhito Yamaguchi | 2017-10-24 |
| 9403422 | Plug door device | Atsuhito Yamaguchi | 2016-08-02 |
| 9316030 | Door opening and closing apparatus | Atsuhito Yamaguchi | 2016-04-19 |
| 9249609 | Door suspension device for supporting door and door apparatus comprising the same | Katsuji Kawasaki | 2016-02-02 |