Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10449979 | Air spring and bogie | Takayuki Sawa, Hideki Kitada, Takehiro Nishimura, Keiichiro Kamura, Yoshi Sato | 2019-10-22 |
| 10435044 | Air spring and bogie | Takayuki Sawa, Hideki Kitada, Takehiro Nishimura, Keiichiro Kamura, Yoshi Sato | 2019-10-08 |