Inventor · disambiguated record
Hiromitsu Mizukawa
Also filed as: MIZUKAWA HIROMITSU
13 granted patents·151 citations·filing 1997–2012
90Inventor score
Files withWATANABE KOJI5HIRAMATU AKINORI2MATSUSHITA ELECTRIC WORKS LTD2HAYASHI MIYO1KUMADA KAZUHIRO1
Top patents by PatentIndex Score
13 records- 0194US8664883B2LED lighting device with chopper circuit and dimming control methodHIRAMATU AKINORI·Filed 2011·Granted Mar 4, 2014·51 cites·20 claims
- 0290US8669721B2Solid state light source based lighting device and lighting systemWATANABE KOJI·Filed 2012·Granted Mar 11, 2014·17 cites·20 claims
- 0388US8716949B2Lighting device for solid-state light source and illumination apparatus using sameWATANABE KOJI·Filed 2012·Granted May 6, 2014·11 cites·10 claims
- 0488US8502463B2LED driver circuit with open load detection and associated control methodMIZUKAWA HIROMITSU·Filed 2011·Granted Aug 6, 2013·22 cites·20 claims
- 0571US9089020B2Dimming signal generation device and illumination control system using sameWATANABE KOJI·Filed 2012·Granted Jul 21, 2015·2 cites·8 claims
- 0671US8957591B2Illumination systemMURAKAMI YOSHINOBU·Filed 2012·Granted Feb 17, 2015·4 cites·11 claims
- 0764US5942859ADischarge lamp lighting deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Aug 24, 1999·27 cites·20 claims
- 0859US6696798B2Ballast circuit for operating a discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Feb 24, 2004·17 cites·5 claims
- 0951US8723436B2LED lighting device and illumination apparatus including sameWATANABE KOJI·Filed 2012·Granted May 13, 2014·0 cites·4 claims
- 1043US8872444B2Lighting device for solid-state light source and illumination apparatus including sameWATANABE KOJI·Filed 2012·Granted Oct 28, 2014·0 cites·6 claims
- 1141US8482222B2Lighting device and light fixture using lighting deviceHIRAMATU AKINORI·Filed 2011·Granted Jul 9, 2013·0 cites·20 claims
- 1238US8390213B2LED power-source circuit and illumination fixture using the sameKUMADA KAZUHIRO·Filed 2010·Granted Mar 5, 2013·0 cites·6 claims
- 1330US9510411B2Illumination deviceHAYASHI MIYO·Filed 2012·Granted Nov 29, 2016·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →