Inventor · disambiguated record
Tokunosuke Tanamachi
Also filed as: TANAMACHI TOKUNOSUKE
18 granted patents·861 citations·filing 1974–2001
96Inventor score
Files withHITACHI LTD18
Top patents by PatentIndex Score
18 records- 0194US6437997B1Control device for electric power translating deviceHITACHI LTD·Filed 2001·Granted Aug 20, 2002·54 cites·32 claims
- 0293US5361196APower converter for converting DC voltage into AC phase voltage having three levels of positive, zero and negative voltageHITACHI LTD·Filed 1993·Granted Nov 1, 1994·118 cites·18 claims
- 0388US5321599AControl apparatus for suppressing a third harmonic neutral point voltage in a three level inverterHITACHI LTD·Filed 1993·Granted Jun 14, 1994·83 cites·9 claims
- 0486US5250890AInverter control apparatusHITACHI LTD·Filed 1988·Granted Oct 5, 1993·59 cites·31 claims
- 0584US4490666AControl of induction motor using PWM inverterHITACHI LTD·Filed 1982·Granted Dec 25, 1984·34 cites·20 claims
- 0683US5627742AThree level power converting apparatus having means for balancing DC component thereofHITACHI LTD·Filed 1994·Granted May 6, 1997·85 cites·10 claims
- 0782US3940669AAC motor control systemHITACHI LTD·Filed 1974·Granted Feb 24, 1976·26 cites·7 claims
- 0878US6307759B1Control device for electric power translating deviceHITACHI LTD·Filed 1998·Granted Oct 23, 2001·49 cites·9 claims
- 0975US5467262AElectric power converting apparatusHITACHI LTD·Filed 1993·Granted Nov 14, 1995·41 cites·21 claims
- 1074US6166514AApparatus and method for controlling induction motorHITACHI LTD·Filed 1997·Granted Dec 26, 2000·69 cites·6 claims
- 1170US5506765AControl apparatus of power converter and control apparatus of electric motor vehicleHITACHI LTD·Filed 1993·Granted Apr 9, 1996·38 cites·21 claims
- 1269US5587891AElectric power converting apparatusHITACHI LTD·Filed 1995·Granted Dec 24, 1996·35 cites·1 claims
- 1369US4723201AControl apparatus for pulse width modulation invertersHITACHI LTD·Filed 1987·Granted Feb 2, 1988·27 cites·11 claims
- 1465US5532569AInverter control apparatusHITACHI LTD·Filed 1993·Granted Jul 2, 1996·33 cites·21 claims
- 1563US5481448AMultilevel inverter having voltage dividing capacitors distributed across multiple armsHITACHI LTD·Filed 1994·Granted Jan 2, 1996·29 cites·16 claims
- 1658US5677610AControl apparatus for electric vehiclesHITACHI LTD·Filed 1995·Granted Oct 14, 1997·36 cites·32 claims
- 1749US5847534AControl system for electric vehicleHITACHI LTD·Filed 1996·Granted Dec 8, 1998·28 cites·13 claims
- 1843US5375050AElectric power converter arrangement and electric rolling stock control device using the sameHITACHI LTD·Filed 1992·Granted Dec 20, 1994·17 cites·10 claims
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