Inventor · disambiguated record
Masanao Okawa
Also filed as: OKAWA MASANAO
19 granted patents·1 pending application·109 citations·filing 2002–2015
93Inventor score
Files withPANASONIC CORP7MATSUSHITA ELECTRIC WORKS LTD3OKAWA MASANAO3KAWACHI HIDEHARU2KONISHI HIROFUMI1
Top patents by PatentIndex Score
20 records- 0189US8564215B2Light emitting module device, light emitting module used in the device, and lighting apparatus provided with the deviceOKAWA MASANAO·Filed 2010·Granted Oct 22, 2013·15 cites·19 claims
- 0282US8207664B2Organic electroluminescence module having a bent strip conductorKAWACHI HIDEHARU·Filed 2010·Granted Jun 26, 2012·6 cites·3 claims
- 0382US7965166B2Multi-layered devicePANASONIC ELEC WORKS CO LTD·Filed 2008·Granted Jun 21, 2011·11 cites·10 claims
- 0479US9121593B2Lighting apparatus and lighting apparatus assembly using the samePANASONIC CORP·Filed 2013·Granted Sep 1, 2015·5 cites·15 claims
- 0577US8138679B2Organic electroluminescent light emitting device for restoring normal operation after low-voltage errorsKONISHI HIROFUMI·Filed 2009·Granted Mar 20, 2012·8 cites·19 claims
- 0676US8421360B2Load determination device and illumination apparatus using sameMISHIMA MASANORI·Filed 2011·Granted Apr 16, 2013·4 cites·8 claims
- 0775US8823275B2Lighting circuit for light emitting element and illumination apparatus including samePANASONIC CORP·Filed 2012·Granted Sep 2, 2014·3 cites·20 claims
- 0872US8344651B2Light control apparatus and lighting appliance using the samePANASONIC CORP·Filed 2008·Granted Jan 1, 2013·4 cites·12 claims
- 0972US6838834B2Lighting system and electric power supplier for the sameMATSUSHITA ELECTRIC WORKS LTD·Filed 2002·Granted Jan 4, 2005·15 cites·27 claims
- 1070US7391165B2Discharge lamp lighting control deviceMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Jun 24, 2008·21 cites·26 claims
- 1169US8432105B2Light 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
- 1267US8513898B2Light emitting device that restores abnormal light emitting elementOKAWA MASANAO·Filed 2009·Granted Aug 20, 2013·3 cites·6 claims
- 1361US6958581B2High-intensity discharge lamp operating device and method for controlling the high-intensity discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2004·Granted Oct 25, 2005·9 cites·23 claims
- 1449US9445478B2Light-emitting element lighting device, light-emitting module, illuminating apparatus, and light-emitting element lighting methodPANASONIC CORP·Filed 2014·Granted Sep 13, 2016·0 cites·17 claims
- 1549US9374866B2Organic EL illumination module and illumination apparatus including samePANASONIC CORP·Filed 2012·Granted Jun 21, 2016·0 cites·5 claims
- 1648US8878441B2Display device and guide lamp including sameKAWACHI HIDEHARU·Filed 2011·Granted Nov 4, 2014·0 cites·27 claims
- 1746US2015028774A1Light-emitting element lighting device, light-emitting module, illuminating apparatus, and light-emitting element lighting methodPANASONIC CORP·Filed 2014·Application pending·0 cites
- 1843US9439264B2Lighting circuit for light emitting element and illumination apparatus including samePANASONIC CORP·Filed 2012·Granted Sep 6, 2016·0 cites·5 claims
- 1941US9699860B2Light emitting module and illumination device using the samePANASONIC IP MAN CO LTD·Filed 2015·Granted Jul 4, 2017·0 cites·16 claims
- 2039US8643312B2Method for feeding electric power to a planar light-emitting elementOKAWA MASANAO·Filed 2010·Granted Feb 4, 2014·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →