Inventor · disambiguated record
Shin Ukegawa
Also filed as: UKEGAWA SHIN
16 granted patents·1 pending application·175 citations·filing 1988–2013
93Inventor score
Files withMATSUSHITA ELECTRIC WORKS LTD6PANASONIC CORP2KAWACHI HIDEHARU1KONISHI HIROFUMI1MATSUSHITA ELECTRIC WORKS R &1
Top patents by PatentIndex Score
17 records- 0186US4864194AElectrodeless discharge lamp deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 1988·Granted Sep 5, 1989·41 cites·18 claims
- 0277US8138679B2Organic electroluminescent light emitting device for restoring normal operation after low-voltage errorsKONISHI HIROFUMI·Filed 2009·Granted Mar 20, 2012·8 cites·19 claims
- 0377US5367226AElectrodeless discharge lamp having a concave recess and foil electrode formed thereinMATSUSHITA ELECTRIC WORKS LTD·Filed 1994·Granted Nov 22, 1994·30 cites·2 claims
- 0477US5013975AElectrodeless discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 1989·Granted May 7, 1991·25 cites·12 claims
- 0573US5519285AElectrodeless discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 1993·Granted May 21, 1996·30 cites·7 claims
- 0672US8344651B2Light control apparatus and lighting appliance using the samePANASONIC CORP·Filed 2008·Granted Jan 1, 2013·4 cites·12 claims
- 0772US6979958B2High efficacy metal halide lamp with praseodymium and sodium halides in a configured chamberMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Dec 27, 2005·9 cites·15 claims
- 0869US8432105B2Light control apparatus for lighting an organic electroluminescence device and lighting appliance using the sameTAKAKI HIROFUMI·Filed 2008·Granted Apr 30, 2013·5 cites·14 claims
- 0967US8513898B2Light emitting device that restores abnormal light emitting elementOKAWA MASANAO·Filed 2009·Granted Aug 20, 2013·3 cites·6 claims
- 1065US9041277B2Lighting devicePANASONIC CORP·Filed 2013·Granted May 26, 2015·1 cites·7 claims
- 1163US8089215B2Discharge lamp lighting device, headlight device and vehicle having the sameTANAKA TOSHIFUMI·Filed 2009·Granted Jan 3, 2012·2 cites·16 claims
- 1251US5747945AElectrodeless discharge lamp utilizing induced electric field generated by a high frequency electromagnetic fieldMATSUSHITA ELECTRIC WORKS LTD·Filed 1996·Granted May 5, 1998·9 cites·8 claims
- 1349US6121730AMetal hydrides lamp and fill for the sameMATSUSHITA ELECTRIC WORKS R &·Filed 1998·Granted Sep 19, 2000·8 cites·24 claims
- 1448US8878441B2Display device and guide lamp including sameKAWACHI HIDEHARU·Filed 2011·Granted Nov 4, 2014·0 cites·27 claims
- 1546US7719173B2Electrodeless discharge lamp and lighting apparatus using the samePANASONIC ELEC WORKS CO LTD·Filed 2006·Granted May 18, 2010·0 cites·2 claims
- 1643US8502471B2Planar light-emitting module lighting circuit and illuminating deviceOOKAWA MASANAO·Filed 2008·Granted Aug 6, 2013·0 cites·9 claims
- 1738US2004108815A1Microwave-excited elecrodeles discharge bulb and microwave-excited discharge lamp systemFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →