Inventor · disambiguated record
Hirohisa Warita
Also filed as: WARITA HIROHISA
16 granted patents·2 pending applications·305 citations·filing 1999–2012
94Inventor score
Top patents by PatentIndex Score
18 records- 0196US8400079B2LED drive circuit, dimming device, LED illumination fixture, LED illumination device, and LED illumination systemKANAMORI ATSUSHI·Filed 2011·Granted Mar 19, 2013·58 cites·22 claims
- 0291US9497808B2LED drive circuit and LED illumination apparatusMURATA TAKESHI·Filed 2011·Granted Nov 15, 2016·16 cites·19 claims
- 0391US8653751B2LED drive circuit and LED illumination component using the sameSHIMIZU TAKAYUKI·Filed 2011·Granted Feb 18, 2014·15 cites·10 claims
- 0490US7129679B2Power supply circuit having soft startSHARP KK·Filed 2004·Granted Oct 31, 2006·73 cites·12 claims
- 0589US8258706B2LED drive circuit, LED illumination component, LED illumination device, and LED illumination systemMARUYAMA YASUHIRO·Filed 2009·Granted Sep 4, 2012·18 cites·22 claims
- 0688US7262582B2Switching power supply circuit and electronic apparatus provided therewithSHARP KK·Filed 2005·Granted Aug 28, 2007·33 cites·17 claims
- 0786US8710766B2LED driving circuit, LED illumination appliance, LED illuminator, and LED illumination systemKANAMORI ATSUSHI·Filed 2012·Granted Apr 29, 2014·9 cites·12 claims
- 0886US6201674B1Direct-current stabilization power supply deviceSHARP KK·Filed 1999·Granted Mar 13, 2001·47 cites·24 claims
- 0981US8643301B2LED driver circuit and LED lighting device using the sameKANAMORI ATSUSHI·Filed 2011·Granted Feb 4, 2014·6 cites·16 claims
- 1079US7737773B2Semiconductor device, step-down chopper regulator, and electronic equipmentSHARP KK·Filed 2007·Granted Jun 15, 2010·10 cites·20 claims
- 1178US8421371B2LED drive circuit, LED illumination fixture, LED illumination device, and LED illumination systemSHIMIZU TAKAYUKI·Filed 2011·Granted Apr 16, 2013·4 cites·21 claims
- 1271US8810135B2LED drive circuit, LED illumination component, LED illumination device, and LED illumination systemMARUYAMA YASUHIRO·Filed 2012·Granted Aug 19, 2014·2 cites·5 claims
- 1369US8692469B2LED drive circuit and LED illumination apparatus using the sameSHIMIZU TAKAYUKI·Filed 2012·Granted Apr 8, 2014·2 cites·10 claims
- 1465US7223963B2Optical encoderSHARP KK·Filed 2004·Granted May 29, 2007·11 cites·12 claims
- 1564US8878449B2LED drive circuit and LED illumination unitKANAMORI ATSUSHI·Filed 2012·Granted Nov 4, 2014·1 cites·8 claims
- 1653US8970123B2LED drive circuit and LED illumination lightKANAMORI ATSUSHI·Filed 2012·Granted Mar 3, 2015·0 cites·19 claims
- 1741US2011156612A1Led drive circuit, phase control dimmer, led illumination fixture, led illumination device, and led illumination systemSHARP KK·Filed 2010·Application pending·0 cites
- 1835US2007262764A1Power supply circuit device and electronic apparatus provided therewithSHARP KK·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →