Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713639 | Brake control device for railroad rolling stock | Shigeaki Doto | 1998-02-03 |
| 5253930 | Air brake control system having an electromagnetic valve device which has two set points for establishing a lap position | Seiki Maruta | 1993-10-19 |
| 4886320 | Vital pressure regulating system for railroad cars | Kazutaka Nagata | 1989-12-12 |
| 4885693 | Wheel-slip detection system | Tatsuo Fujiwara, Shuichi Osaka | 1989-12-05 |
| 4773447 | Electromagnetic valve | Mitsuhiro Ikeda | 1988-09-27 |
| 4763261 | Wheel-speed detecting arrangement | Tatsuo Fujiwara, Shuichi Osaka | 1988-08-09 |
| 4719536 | Wheel-slip detection system | Tatsuo Fujiwara, Shuichi Osaka | 1988-01-12 |
| 4685750 | Railway vehicle brake system with improved blending control of pneumatic and electric brakes | — | 1987-08-11 |
| 4651071 | Brake control system for supplementing electric brake with friction brake | — | 1987-03-17 |
| 4639047 | Railway vehicle brake system with improved blending control of pneumatic and electric brakes | — | 1987-01-27 |