Inventor · disambiguated record
Kazuhiko Kagawa
Also filed as: KAGAWA KAZUHIKO
12 granted patents·5 pending applications·132 citations·filing 1999–2013
91Inventor score
Top patents by PatentIndex Score
17 records- 0194US7098418B1Vacuum circuit breaker, vacuum circuit breaker contact slow closing method, and contact erosion measuring method and contact gap length setting method using that slow closing methodMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Aug 29, 2006·34 cites·6 claims
- 0291US8581488B2White light-emitting semiconductor devicesSAKUTA HIROAKI·Filed 2011·Granted Nov 12, 2013·13 cites·10 claims
- 0385US8829778B2White light-emitting semiconductor devicesSAKUTA HIROAKI·Filed 2013·Granted Sep 9, 2014·6 cites·15 claims
- 0481US8115124B2Circuit breakerMARUYAMA TAKANAO·Filed 2009·Granted Feb 14, 2012·21 cites·3 claims
- 0579US8829780B2White semiconductor light emitting deviceSAKUTA HIROAKI·Filed 2012·Granted Sep 9, 2014·6 cites·14 claims
- 0679US7923928B2Illuminating deviceMITSUBISHI CHEM CORP·Filed 2007·Granted Apr 12, 2011·7 cites·4 claims
- 0764US8089021B2Vacuum circuit breakerKAGAWA KAZUHIKO·Filed 2009·Granted Jan 3, 2012·5 cites·10 claims
- 0861US6295191B1Switching apparatusMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Sep 25, 2001·18 cites·7 claims
- 0953US2012286646A1Halophosphate phosphor and white light-emitting deviceSAKUTA HIROAKI·Filed 2012·Application pending·0 cites
- 1053US2012267999A1Halophosphate phosphor and white light-emitting deviceSAKUTA HIROAKI·Filed 2012·Application pending·0 cites
- 1152US6369995B1Protection relay device for distribution equipmentMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Apr 9, 2002·20 cites·5 claims
- 1251US8710741B2Illuminating deviceKASAKURA AKEO·Filed 2012·Granted Apr 29, 2014·0 cites·20 claims
- 1348US8258699B2Illuminating deviceKASAKURA AKEO·Filed 2011·Granted Sep 4, 2012·0 cites·32 claims
- 1444US2009296304A1SwitchMITSUBISHI ELECTRIC CORP·Filed 2008·Application pending·0 cites
- 1543US2012212123A1Halophosphate phosphor and white light-emitting deviceSAKUTA HIROAKI·Filed 2012·Application pending·0 cites
- 1637US6574084B1Electromagnetic repulsion driven switchMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Jun 3, 2003·2 cites·9 claims
- 1736US2005115927A1Vacuum switchMITSUBISHI ELECTRIC CORP·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →