Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5975649 | Brake monitoring device for railroad cars | Shigeaki Doto | 1999-11-02 |
| 5803554 | Brake monitoring device for railroad cars | Shigeaki Doto | 1998-09-08 |
| 5253930 | Air brake control system having an electromagnetic valve device which has two set points for establishing a lap position | Asaji Imanaka | 1993-10-19 |
| 4799740 | Electropneumatic master controller for an air brake system | Akihiro Iwaizako, Hiroshi Nishii | 1989-01-24 |