Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124817 | Carbody of railcar | Naoaki Kawakami, Hiroyuki Sakurai | 2018-11-13 |
| 10017192 | Railcar collision energy absorbing device and railcar | Atsushi Sano, Naoaki Kawakami, Shinichiro Hata, Seiichiro Yagi, Masayuki Tomizawa | 2018-07-10 |