Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10086850 | Air spring | Hirokazu Haraguchi, Yasufumi Okumura | 2018-10-02 |
| 10053119 | Plate spring cover and railcar bogie including plate spring cover | Shunichi Nakao, Yasufumi Okumura, Shintaro ANDO | 2018-08-21 |
| 9855959 | Railcar bogie | Shunichi Nakao | 2018-01-02 |