Inventor · disambiguated record
Katsuyoshi Nakada
Also filed as: NAKADA KATSUYOSHI
12 granted patents·91 citations·filing 2004–2016
89Inventor score
Top patents by PatentIndex Score
12 records- 0183US7622869B2Discharge lamp ballast and projectorPANASONIC ELEC WORKS CO LTD·Filed 2004·Granted Nov 24, 2009·23 cites·23 claims
- 0281US7504782B2Discharge lamp lighting apparatus and projectorPANASONIC ELEC WORKS CO LTD·Filed 2005·Granted Mar 17, 2009·9 cites·18 claims
- 0380US8207680B2Discharge lamp ballast having an auto-transformer for high voltage detectionNAKADA KATSUYOSHI·Filed 2009·Granted Jun 26, 2012·8 cites·22 claims
- 0478US9699851B2Dimming lighting circuit and luminairePANASONIC IP MAN CO LTD·Filed 2016·Granted Jul 4, 2017·3 cites·5 claims
- 0578US8581510B2Discharge lamp lighting apparatusNAKADA KATSUYOSHI·Filed 2009·Granted Nov 12, 2013·7 cites·14 claims
- 0676US8324829B2Startup control for a high pressure discharge lamp ballastNAKADA KATSUYOSHI·Filed 2010·Granted Dec 4, 2012·4 cites·14 claims
- 0774US8222834B2HID lamp ballast with controlled DC step down circuitNAKADA KATSUYOSHI·Filed 2009·Granted Jul 17, 2012·5 cites·20 claims
- 0874US7511432B2Discharge lamp lighting device, illumination device, and projectorPANASONIC ELEC WORKS CO LTD·Filed 2004·Granted Mar 31, 2009·20 cites·20 claims
- 0967US7692391B2Discharge lamp ballast, lighting system and projectorPANASONIC ELEC WORKS CO LTD·Filed 2004·Granted Apr 6, 2010·12 cites·12 claims
- 1046US9743471B2Lighting device and lighting fixture for current control with a solid-state lighting elementPANASONIC IP MAN CO LTD·Filed 2016·Granted Aug 22, 2017·0 cites·7 claims
- 1144US9055638B2Lighting device and lighting fixturePANASONIC CORP·Filed 2013·Granted Jun 9, 2015·0 cites·6 claims
- 1241US9131570B2Lighting device and luminairePANASONIC IP MAN CO LTD·Filed 2013·Granted Sep 8, 2015·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →