Inventor · disambiguated record
Akira Yufuku
Also filed as: YUFUKU AKIRA
9 granted patents·1 pending application·41 citations·filing 2004–2010
85Inventor score
Top patents by PatentIndex Score
10 records- 0177US8232746B2High pressure discharge lamp lighting device and lighting fixture using the sameYUFUKU AKIRA·Filed 2009·Granted Jul 31, 2012·8 cites·18 claims
- 0274US8198824B2Electronic ballast for restarting high-pressure discharge lamps in various states of operationYUFUKU AKIRA·Filed 2009·Granted Jun 12, 2012·6 cites·22 claims
- 0373US7994733B2Discharge lamp lighting device and light fixturePANASONIC ELEC WORKS CO LTD·Filed 2007·Granted Aug 9, 2011·5 cites·8 claims
- 0472US8207690B2High-pressure discharge lamp ballast with rapid lamp restart circuitKAMOI TAKESHI·Filed 2009·Granted Jun 26, 2012·5 cites·23 claims
- 0571US8093837B2Lamp ballast and an illumination apparatusGORIKI TAKESHI·Filed 2008·Granted Jan 10, 2012·5 cites·5 claims
- 0666US8044601B2High voltage discharge lamp lighting devicePANASONIC ELEC WORKS CO LTD·Filed 2009·Granted Oct 25, 2011·3 cites·21 claims
- 0761US8040074B2Discharge-lamp lighting device and luminairePANASONIC ELEC WORKS CO LTD·Filed 2007·Granted Oct 18, 2011·2 cites·16 claims
- 0856US7759878B2Lighting device for a high-pressure discharge lamp and lighting equipment employing samePANASONIC ELEC WORKS CO LTD·Filed 2004·Granted Jul 20, 2010·7 cites·16 claims
- 0948US8228006B2High pressure discharge lamp lighting device and lighting fixture using the sameKOMATSU NAOKI·Filed 2009·Granted Jul 24, 2012·0 cites·9 claims
- 1036US2010195297A1Electronic ballast with grounding spacer and insulating fillerMATSUZAKI NOBUTOSHI·Filed 2010·Application pending·0 cites
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