| 9090165 |
Driving system, driving system for railroad-vehicle, and railroad-vehicle and multi-car train mounted with same |
Koji Agatsuma, Kento Mochizuki |
2015-07-28 |
| 7237492 |
Railway car drive system |
— |
2007-07-03 |
| 7046155 |
Fault detection system |
Yutaka Sato, Masahiro Nagasu, Katsumi Ishikawa, Ryuichi Saito |
2006-05-16 |
| 6759964 |
Fault detection system |
Yutaka Sato, Masahiro Nagasu, Katsumi Ishikawa, Ryuichi Saito |
2004-07-06 |
| 6724313 |
Fault detection system |
Yutaka Sato, Masahiro Nagasu, Katsumi Ishikawa, Ryuichi Saito |
2004-04-20 |
| 6437997 |
Control device for electric power translating device |
Tokunosuke Tanamachi, Kiyoshi Nakata |
2002-08-20 |
| 6377479 |
Power conversion system |
Hideki Ayano, Akira Mishima |
2002-04-23 |
| 6307759 |
Control device for electric power translating device |
Tokunosuke Tanamachi, Kiyoshi Nakata |
2001-10-23 |
| 6271709 |
Gate drive circuit of voltage drive switching element |
Shin Kimura, Masahiro Nagasu, Hideki Miyazaki, Katsunori Suzuki |
2001-08-07 |
| 5781423 |
Pulse width modulation control system for electric power converter |
Kiyoshi Nakata, Kouji Yasuda, Masato Suzuki, Wataru Miyake |
1998-07-14 |
| 5742493 |
Power conversion apparatus |
Satoru Ito, Kiyoshi Nakamura |
1998-04-21 |