Inventor
TERUNUMA MUTSUHIRO
12 patents
Patents
12 patentsUS6304472B1Oct 16, 2001
Electric power converting system with integrator providing output indicative of current
HITACHI LTD84 citations98
US5627742AMay 6, 1997
Three level power converting apparatus having means for balancing DC component thereof
HITACHI LTD85 citations96
US5680299AOct 21, 1997
Electric power conversion equipment
HITACHI LTD36 citations92
US5587891ADec 24, 1996
Electric power converting apparatus
HITACHI LTD35 citations92
US5506765AApr 9, 1996
Control apparatus of power converter and control apparatus of electric motor vehicle
HITACHI LTD38 citations92
US5481448AJan 2, 1996
Multilevel inverter having voltage dividing capacitors distributed across multiple arms
HITACHI LTD29 citations92
US5467262ANov 14, 1995
Electric power converting apparatus
HITACHI LTD41 citations92
US5375050ADec 20, 1994
Electric power converter arrangement and electric rolling stock control device using the same
HITACHI LTD17 citations74
US7965056B2Jun 21, 2011
Control apparatus of power conversion system
HITACHI LTD6 citations73
US4245293AJan 13, 1981
Power converter system
HITACHI LTD7 citations73
US4133018AJan 2, 1979
Thyristor fault-detecting apparatus
HITACHI LTD16 citations73
US4171505AOct 16, 1979
Fault detecting system for a control system
HITACHI LTD7 citations71