Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10589758 | Plug door opening-closing device | — | 2020-03-17 |
| 10569627 | Door seal for a vehicle door | Yasushige Baba, Hitoshi Akiyama | 2020-02-25 |
| 10570651 | Plug door lock device and plug door system | Shinji Ueda, Genta Sakaki | 2020-02-25 |
| 10458166 | Plug door device | — | 2019-10-29 |
| 10449976 | Plug door opening-closing device | — | 2019-10-22 |
| 10328955 | Plug door opening-closing device and plug door device | — | 2019-06-25 |
| 10233681 | Vehicle door locking device | Shinji Ueda, Hiroki UNO, Shinsuke Yamada | 2019-03-19 |
| 9797171 | Plug door device | Kazutama Takahashi | 2017-10-24 |
| 9789884 | Railway vehicle plug door device and railway vehicle plug door | Hitoshi Akiyama | 2017-10-17 |
| 9403422 | Plug door device | Kazutama Takahashi | 2016-08-02 |
| 9316030 | Door opening and closing apparatus | Kazutama Takahashi | 2016-04-19 |
| 5168791 | Liquid-operated booster | Katsumi Maehara | 1992-12-08 |