Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10654496 | Railway vehicle derailment detection method and device | Yoshiyuki Shimokawa, Daisuke Shinagawa | 2020-05-19 |
| 9688293 | Method and device for steering truck of railway vehicle, and truck | Takuya OZAKI, Kazunori Iwato, Satoshi Tokunaga | 2017-06-27 |
| 9446775 | Bogie frame for railway vehicles | Tatsuya Yoshizu, Nobuaki Kaneyasu, Takehiro Kadonaka, Satoshi Tokunaga | 2016-09-20 |
| 8511238 | Steerable truck for a railway car, a railway car, and an articulated car | Takuji Nakai, Yujin Tsutsui | 2013-08-20 |
| 8418627 | Two-axle truck for a railway car and a railway car | Takuji Nakai | 2013-04-16 |
| 7975619 | Two-axle truck for a railway car and a railway car | Takuji Nakai | 2011-07-12 |