Inventor · disambiguated record
Masakazu Niwa
Also filed as: NIWA MASAKAZU
28 granted patents·5 pending applications·159 citations·filing 1999–2016
96Inventor score
Top patents by PatentIndex Score
33 records- 0195US8030878B2Motor driving device having power failure detection functionFANUC CORP·Filed 2010·Granted Oct 4, 2011·17 cites·2 claims
- 0288US9118270B2Motor control device including electric storage device and resistance discharge deviceFANUC CORP·Filed 2014·Granted Aug 25, 2015·7 cites·5 claims
- 0387USD426855SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 1999·Granted Jun 20, 2000·34 cites·1 claims
- 0482US10069444B2Motor control apparatus having function of discharging energy remaining in DC linkFANUC CORP·Filed 2015·Granted Sep 4, 2018·4 cites·3 claims
- 0582US8664897B2Motor drive apparatus having power failure detection unit for determining presence or absence of power failureIWASHITA YASUSUKE·Filed 2012·Granted Mar 4, 2014·5 cites·4 claims
- 0680US8415906B2Motor driving apparatusIWASHITA YASUSUKE·Filed 2011·Granted Apr 9, 2013·6 cites·8 claims
- 0779US8736215B2Motor drive device having function of varying DC link low-voltage alarm detection levelFANUC CORP·Filed 2013·Granted May 27, 2014·4 cites·4 claims
- 0873US8521552B2System and method for providing a medical device to a patientNIWA MASAKAZU·Filed 2006·Granted Aug 27, 2013·6 cites·20 claims
- 0971USD777644SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 2014·Granted Jan 31, 2017·19 cites·1 claims
- 1067US9602039B2PWM rectifier for motor drive connected to electric storage deviceFANUC CORP·Filed 2015·Granted Mar 21, 2017·1 cites·8 claims
- 1164US9166514B2Motor control apparatus including at least two resistance discharge unitsFANUC CORP·Filed 2013·Granted Oct 20, 2015·2 cites·10 claims
- 1264US8786239B2Motor drive PWM rectifier having modulation scheme selectorFANUC CORP·Filed 2012·Granted Jul 22, 2014·2 cites·4 claims
- 1364US7719218B2Motor control apparatusFANUC LTD·Filed 2007·Granted May 18, 2010·3 cites·5 claims
- 1462US7368887B2Servo control device and method of adjusting servo systemFANUC LTD·Filed 2006·Granted May 6, 2008·2 cites·18 claims
- 1561USD593934SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 2007·Granted Jun 9, 2009·12 cites·1 claims
- 1659US8410744B2Motor driving apparatusIWASHITA YASUSUKE·Filed 2011·Granted Apr 2, 2013·1 cites·11 claims
- 1758US9054620B2Motor driving device including electric storage deviceFANUC CORP·Filed 2013·Granted Jun 9, 2015·1 cites·3 claims
- 1857US8018747B2PWM rectifierFANUC LTD·Filed 2009·Granted Sep 13, 2011·4 cites·4 claims
- 1957US7446497B2Fixed-position stop control apparatus for rotation shaftFANUC LTD·Filed 2006·Granted Nov 4, 2008·1 cites·5 claims
- 2055US9669665B2Pneumatic tireYOKOHAMA RUBBER CO LTD·Filed 2013·Granted Jun 6, 2017·0 cites·17 claims
- 2152US9923477B2PWM rectifier including capacitance calculation unitFANUC CORP·Filed 2016·Granted Mar 20, 2018·0 cites·5 claims
- 2252USD453495SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 2000·Granted Feb 12, 2002·10 cites·1 claims
- 2352US2015059941A1Pneumatic TireYOKOHAMA RUBBER CO LTD·Filed 2014·Application pending·0 cites
- 2450US2015343847A1Pneumatic TireYOKOHAMA RUBBER CO LTD·Filed 2013·Application pending·0 cites
- 2549USD593935SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 2007·Granted Jun 9, 2009·7 cites·1 claims
- 2649US6786260B2Pneumatic radial tire for negative camber angle suspensionYOKOHAMA RUBBER CO LTD·Filed 2002·Granted Sep 7, 2004·2 cites·4 claims
- 2749US2016072403A1Pwm rectifier including capacitance calculation unitFANUC CORP·Filed 2015·Application pending·0 cites
- 2848US2013263993A1Pneumatic TireYOKOHAMA RUBBER CO LTD·Filed 2013·Application pending·0 cites
- 2944USD592127SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 2007·Granted May 12, 2009·5 cites·1 claims
- 3043US9973116B2Control apparatus of injection molding machineFANUC CORP·Filed 2015·Granted May 15, 2018·0 cites·13 claims
- 3143USD724009SAutomobile tireYOKOHAMA RUBBER CO LTD·Filed 2013·Granted Mar 10, 2015·4 cites·1 claims
- 3239US7863853B2Electric motor control deviceFANUC LTD·Filed 2008·Granted Jan 4, 2011·0 cites·10 claims
- 3338US2011175557A1Motor driving apparatus having power regeneration functionFANUC CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →