Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9849891 | Railcar and door pocket post | Naoaki Kawakami, Shinichi Okada, Kazumasa Inaba, Kenji Waki | 2017-12-26 |
| 9718481 | Railcar | Atsushi Sano, Naoaki Kawakami, Yasufumi Minamimoto | 2017-08-01 |