Inventor · disambiguated record
Katsushi Seki
Also filed as: SEKI KATSUSHI
23 granted patents·5 pending applications·172 citations·filing 1998–2015
94Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD9PANASONIC IP MAN CO LTD6PANASONIC CORP5WAKAMIYA AKIHITO3MATSUSHITA ELECTRONICS CORP2
Top patents by PatentIndex Score
28 records- 0188US7049763B2Electrodeless low-pressure discharge lamp operating device and self-ballasted electrodeless fluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 23, 2006·35 cites·8 claims
- 0288US6522084B1Electrodeless discharge lamp operating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 18, 2003·29 cites·6 claims
- 0386US9039257B2Lighting device and light-emitting modulePANASONIC CORP·Filed 2013·Granted May 26, 2015·9 cites·11 claims
- 0485US5998934AMicrowave-excited discharge lamp apparatusMATSUSHITA ELECTRONICS CORP·Filed 1998·Granted Dec 7, 1999·49 cites·4 claims
- 0579US6768254B2Self-ballasted electrodeless discharge lamp and electrodeless discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 27, 2004·16 cites·8 claims
- 0673US9303851B2Illumination light source and lighting apparatusPANASONIC CORP·Filed 2014·Granted Apr 5, 2016·2 cites·10 claims
- 0771US9683726B2Lamp and lighting apparatusPANASONIC IP MAN CO LTD·Filed 2013·Granted Jun 20, 2017·3 cites·13 claims
- 0867US6650068B2Induction coil core, illumination unit using the same, and polycrystalline ferriteMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 18, 2003·8 cites·6 claims
- 0964US9374865B2Lighting device, illuminating device and light fixturePANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 21, 2016·1 cites·7 claims
- 1056US6670759B1Electrodeless discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Dec 30, 2003·3 cites·10 claims
- 1155US9441821B2Illumination light source and lighting apparatusPANASONIC CORP·Filed 2014·Granted Sep 13, 2016·0 cites·9 claims
- 1255US8950890B2Lamp and lighting apparatusSEKI KATSUSHI·Filed 2011·Granted Feb 10, 2015·1 cites·18 claims
- 1349US6362565B1Electrodeless discharge lamp and apparatus to prevent devitrificationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 26, 2002·8 cites·21 claims
- 1448US2014204562A1Illumination light source and lighting apparatusPANASONIC CORP·Filed 2014·Application pending·0 cites
- 1547US2015085495A1Lamp and lighting apparatusPANASONIC IP MAN CO LTD·Filed 2013·Application pending·0 cites
- 1644US2014204594A1Illumination light source and lighting apparatusPANASONIC CORP·Filed 2014·Application pending·0 cites
- 1743US2010039018A1Hot cathode low pressure discharge lampSEKI KATSUSHI·Filed 2007·Application pending·0 cites
- 1843US2009236988A1Electrode for discharge lamp and discharge lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Application pending·0 cites
- 1939US9380667B2Illumination device and illumination fixturePANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 28, 2016·0 cites·18 claims
- 2038US9374864B2Lighting device and light fixturePANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 21, 2016·0 cites·5 claims
- 2137US6351087B1Microwave electrodeless discharge lamp apparatusMATSUSHITA ELECTRONICS CORP·Filed 1999·Granted Feb 26, 2002·3 cites·8 claims
- 2235US9890933B2Holder of light-emitting module, and lighting apparatusPANASONIC IP MAN CO LTD·Filed 2015·Granted Feb 13, 2018·0 cites·5 claims
- 2333USD661416SLight-emitting diode lampMASE NOBUYUKI·Filed 2011·Granted Jun 5, 2012·2 cites·1 claims
- 2432USD537545SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 27, 2007·1 cites·1 claims
- 2530USD537546SFluorescent lampMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 27, 2007·0 cites·1 claims
- 2629USD702870SLight-emitting diode lampWAKAMIYA AKIHITO·Filed 2011·Granted Apr 15, 2014·1 cites·1 claims
- 2729USD697253SLight-emitting diode lampWAKAMIYA AKIHITO·Filed 2011·Granted Jan 7, 2014·1 cites·1 claims
- 2827USD663449SLight-emitting diode lampWAKAMIYA AKIHITO·Filed 2011·Granted Jul 10, 2012·0 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Katsushi Seki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →