Inventor · disambiguated record
Jun Kumagai
Also filed as: KUMAGAI JUN · KUMAGAI JUN-ICHI
19 granted patents·4 pending applications·130 citations·filing 1997–2022
93Inventor score
Files withKUMAGAI JUN4MATSUSHITA ELECTRIC WORKS LTD3PANASONIC IP MAN CO LTD3KOMATSU NAOKI2KUMAGAI JUN-ICHI2
Top patents by PatentIndex Score
23 records- 0190US7425802B2Discharge lamp lighting apparatus, luminaire and illumination systemMATSUSHITA ELECTRIC WORKS LTD·Filed 2005·Granted Sep 16, 2008·24 cites·45 claims
- 0287US7141937B2High-pressure discharge lamp operation device and illumination appliance having the sameMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted Nov 28, 2006·33 cites·53 claims
- 0379US8115405B2High pressure discharge lamp lighting device and luminaire using sameYAMAHARA DAISUKE·Filed 2009·Granted Feb 14, 2012·9 cites·42 claims
- 0477US8232746B2High pressure discharge lamp lighting device and lighting fixture using the sameYUFUKU AKIRA·Filed 2009·Granted Jul 31, 2012·8 cites·18 claims
- 0575US8294385B2High-pressure discharge lamp ballast with multi-mode lamp starting circuitKUMAGAI JUN·Filed 2009·Granted Oct 23, 2012·8 cites·21 claims
- 0673US8395327B2High-pressure discharge lamp lighting device and lighting fixture using the sameKUMAGAI JUN·Filed 2007·Granted Mar 12, 2013·5 cites·10 claims
- 0771US8502475B2Discharge lamp ballast with feedback current control during an electrode heating operationMATSUZAKI NOBUTOSHI·Filed 2010·Granted Aug 6, 2013·5 cites·20 claims
- 0868US8344095B2Fused ring compound, method for producing the same, polymer, organic thin film containing the compound and/or polymer, and organic thin film device and organic thin film transistor each comprising the organic thin filmUNIV OSAKA·Filed 2009·Granted Jan 1, 2013·3 cites·9 claims
- 0966US8044601B2High voltage discharge lamp lighting devicePANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Oct 25, 2011·3 cites·21 claims
- 1064US5942859ADischarge lamp lighting deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1997·Granted Aug 24, 1999·27 cites·20 claims
- 1163US8222830B2Discharge lamp lighting device, lighting fixture, and lighting systemNAGATA SATORU·Filed 2008·Granted Jul 17, 2012·3 cites·12 claims
- 1261US2025118804A1Cylindrical nonaqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 1354US11848142B2Multilayer coil component and method for manufacturing same, as well as circuit board carrying multilayer coil componentTAIYO YUDEN KK·Filed 2020·Granted Dec 19, 2023·0 cites·5 claims
- 1451US2023006259A1Flat non-aqueous electrolyte secondary batteryPANASONIC IP MAN CO LTD·Filed 2020·Application pending·0 cites
- 1549US8593077B2High-voltage discharge lamp lighting device and lighting fixtureKUMAGAI JUN·Filed 2009·Granted Nov 26, 2013·0 cites·6 claims
- 1648US8531124B2High pressure discharge lamp lighting device and illumination instrumentKOMATSU NAOKI·Filed 2009·Granted Sep 10, 2013·2 cites·4 claims
- 1748US8228006B2High pressure discharge lamp lighting device and lighting fixture using the sameKOMATSU NAOKI·Filed 2009·Granted Jul 24, 2012·0 cites·9 claims
- 1846US8299723B2Electronic ballast with lamp flicker suppression during start-to-steady state transitionNAGATA SATORU·Filed 2009·Granted Oct 30, 2012·0 cites·22 claims
- 1944US9169539B2Cu-Mg-P-based copper alloy sheet having excellent fatigue resistance characteristic and method of producing the sameKUMAGAI JUN-ICHI·Filed 2012·Granted Oct 27, 2015·0 cites·8 claims
- 2043US2020411876A1Nonaqueous electrolyte secondary battery and method for producing samePANASONIC IP MAN CO LTD·Filed 2019·Application pending·0 cites
- 2141US2011149543A1Printed wiring board connection structureKAMOI TAKESHI·Filed 2010·Application pending·0 cites
- 2238US10253405B2Cu—Ni—Si-based copper alloy sheet having excellent mold abrasion resistance and shear workability and method for manufacturing sameKUMAGAI JUN ICHI·Filed 2011·Granted Apr 9, 2019·0 cites·16 claims
- 2337US8638039B2Electronic ballast and method for providing a DC voltage component during lamp startupKUMAGAI JUN·Filed 2010·Granted Jan 28, 2014·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →