P

Inventor

TANAMACHI TOKUNOSUKE

JP18 patents

Patents

18 patents
US5361196ANov 1, 1994

Power converter for converting DC voltage into AC phase voltage having three levels of positive, zero and negative voltage

HITACHI LTD118 citations98
US6437997B1Aug 20, 2002

Control device for electric power translating device

HITACHI LTD54 citations96
US6307759B1Oct 23, 2001

Control device for electric power translating device

HITACHI LTD49 citations96
US6166514ADec 26, 2000

Apparatus and method for controlling induction motor

HITACHI LTD69 citations96
US5627742AMay 6, 1997

Three level power converting apparatus having means for balancing DC component thereof

HITACHI LTD85 citations96
US5321599AJun 14, 1994

Control apparatus for suppressing a third harmonic neutral point voltage in a three level inverter

HITACHI LTD83 citations96
US5250890AOct 5, 1993

Inverter control apparatus

HITACHI LTD59 citations95
US5847534ADec 8, 1998

Control system for electric vehicle

HITACHI LTD28 citations92
US5677610AOct 14, 1997

Control apparatus for electric vehicles

HITACHI LTD36 citations92
US5587891ADec 24, 1996

Electric power converting apparatus

HITACHI LTD35 citations92
US5532569AJul 2, 1996

Inverter control apparatus

HITACHI LTD33 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
US4723201AFeb 2, 1988

Control apparatus for pulse width modulation inverters

HITACHI LTD27 citations92
US4490666ADec 25, 1984

Control of induction motor using PWM inverter

HITACHI LTD34 citations92
US3940669AFeb 24, 1976

AC motor control system

HITACHI LTD26 citations82
US5375050ADec 20, 1994

Electric power converter arrangement and electric rolling stock control device using the same

HITACHI LTD17 citations74