Inventor · disambiguated record
Yukio Kawabata
Also filed as: KAWABATA YUKIO
16 granted patents·674 citations·filing 1991–2005
95Inventor score
Top patents by PatentIndex Score
16 records- 0197US7294988B2Synchronous motor drive unit and a driving method thereofHITACHI LTD·Filed 2005·Granted Nov 13, 2007·88 cites·20 claims
- 0296US6191545B1Control apparatus of brushless motor and machine and apparatus using brushless motorHITACHI LTD·Filed 1999·Granted Feb 20, 2001·94 cites·17 claims
- 0391US6642681B2Starting control method of and control apparatus for synchronous motor, and air conditioner, refrigerator, washing machine and vacuum cleaner each provided with the control apparatusHITACHI LTD·Filed 2002·Granted Nov 4, 2003·51 cites·12 claims
- 0490US6198240B1Motor controllerHITACHI LTD·Filed 1995·Granted Mar 6, 2001·67 cites·15 claims
- 0588US6828752B2Driving equipment and semiconductor equipment for alternating-current motorHITACHI LTD·Filed 2003·Granted Dec 7, 2004·42 cites·13 claims
- 0688US6534948B2Motor driving circuit, a method for driving a motor, and a semiconductor integrated circuit deviceHITACHI LTD·Filed 2001·Granted Mar 18, 2003·42 cites·28 claims
- 0788US6337548B2Control apparatus of brushless motor and machine and apparatus using brushless motorHITACHI LTD·Filed 2001·Granted Jan 8, 2002·37 cites·14 claims
- 0886US6570358B2Control apparatus for alternating-current motorHITACHI LTD·Filed 2001·Granted May 27, 2003·34 cites·7 claims
- 0983US6479956B1Brushless motor control device and equipment using the control deviceHITACHI LTD·Filed 1999·Granted Nov 12, 2002·50 cites·27 claims
- 1075US6075328APWM/PAM control mode switching type motor control apparatus, and motor drive and air-conditioner using the sameHITACHI LTD·Filed 1997·Granted Jun 13, 2000·50 cites·32 claims
- 1174US6657413B2Driving equipment for synchronous motorsHITACHI LTD·Filed 2001·Granted Dec 2, 2003·21 cites·6 claims
- 1274US6603280B2Motor controllerHITACHI LTD·Filed 2001·Granted Aug 5, 2003·29 cites·9 claims
- 1373US6626002B1Controller for PWM/PAM motor, air conditioner, and method of motor controlHITACHI LTD·Filed 1999·Granted Sep 30, 2003·33 cites·7 claims
- 1471US7388341B2Control system for permanent magnet synchronous motor and moduleHITACHI LTD·Filed 2005·Granted Jun 17, 2008·8 cites·14 claims
- 1555US5929591AAir conditionerHITACHI LTD·Filed 1997·Granted Jul 27, 1999·26 cites·25 claims
- 1631US5249473AAutomatically adjusting actuator unitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 5, 1993·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →