Inventor · disambiguated record
Kazuhiro Kumada
Also filed as: KUMADA KAZUHIRO
13 granted patents·7 pending applications·46 citations·filing 2006–2017
88Inventor score
Top patents by PatentIndex Score
20 records- 0188US8502463B2LED driver circuit with open load detection and associated control methodMIZUKAWA HIROMITSU·Filed 2011·Granted Aug 6, 2013·22 cites·20 claims
- 0287US9521717B2LED driver, lighting equipment and light fixturePANASONIC IP MAN CO LTD·Filed 2016·Granted Dec 13, 2016·7 cites·12 claims
- 0374US9350248B2Power supply device with parallel buck convertersPANASONIC IP MAN CO LTD·Filed 2013·Granted May 24, 2016·3 cites·6 claims
- 0472US7839069B2Method for manufacturing direct backlight unit, fluorescent lamp and backlight unitPANASONIC CORP·Filed 2007·Granted Nov 23, 2010·4 cites·20 claims
- 0570US9532414B2Lighting devicePANASONIC CORP·Filed 2014·Granted Dec 27, 2016·2 cites·5 claims
- 0669US9655194B2Lighting control device, lighting device, and lighting fixturePANASONIC IP MAN CO LTD·Filed 2015·Granted May 16, 2017·2 cites·16 claims
- 0768US9295138B2Lighting device and luminaire using the samePANASONIC IP MAN CO LTD·Filed 2014·Granted Mar 22, 2016·2 cites·9 claims
- 0866US9089033B2LED lighting devicePANASONIC CORP·Filed 2013·Granted Jul 21, 2015·2 cites·2 claims
- 0960US8604707B2Power supplyKUMADA KAZUHIRO·Filed 2012·Granted Dec 10, 2013·2 cites·6 claims
- 1053US2011260620A1Lighting device, backlight unit and liquid crystal display devicePANASONIC ELEC WORKS CO LTD·Filed 2008·Application pending·0 cites
- 1151US2009195188A1Cold-cathode fluorescent lamp having thin coat as electrically connected terminal, production method of the lamp, lighting apparatus having the lamp, backlight unit, and liquid crystal display apparatusMANIWA TAKASHI·Filed 2009·Application pending·0 cites
- 1247US9992837B1Lighting device, luminaire, and control method for the lighting devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Jun 5, 2018·0 cites·12 claims
- 1346US2009096958A1Fluorescent lamp, backlight unit and liquid crystal displayMATSUURA TOMOKAZU·Filed 2007·Application pending·0 cites
- 1445US2006208641A1Cold-cathode fluorescent lamp having thin coat as electrically connected terminal, production method of the lamp, lighting apparatus having the lamp, backlight unit, and liquid crystal display apparatusMANIWA TAKASHI·Filed 2006·Application pending·0 cites
- 1543US2010027244A1Fluorescent lamp, and light emitting device and display device using fluorescent lampWADA HIDEKI·Filed 2008·Application pending·0 cites
- 1640US10076010B2Lighting device, and luminairePANASONIC IP MAN CO LTD·Filed 2017·Granted Sep 11, 2018·0 cites·20 claims
- 1740US2009237597A1Cold-cathode fluorescent lamp, backlight unit, and liquid crystal displayMANIWA TAKASHI·Filed 2006·Application pending·0 cites
- 1839US9485822B2Lighting device, luminaire using lighting device, and lighting system using luminairePANASONIC IP MAN CO LTD·Filed 2015·Granted Nov 1, 2016·0 cites·18 claims
- 1938US8390213B2LED power-source circuit and illumination fixture using the sameKUMADA KAZUHIRO·Filed 2010·Granted Mar 5, 2013·0 cites·6 claims
- 2035US2009059562A1Backlight unit and lamp for backlight unitMANIWA TAKASHI·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →