Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802627 | Railcar bogie | Takehiro Nishimura, Shunichi Nakao, Yasufumi Okumura | 2017-10-31 |
| 9592840 | Railcar axle box suspension | Yasufumi Okumura, Takehiro Nishimura, Shunichi Nakao | 2017-03-14 |