Inventor · disambiguated record
Yiyoung Sun
Also filed as: SUN YIYOUNG · SUN YIYOUNG TONY
17 granted patents·1 pending application·511 citations·filing 1991–2010
94Inventor score
Files withMATSUSHITA ELECTRIC WORKS LTD4MATSUSHITA ELECTRIC WORKS R &4GTE PROD CORP3BRATES NANU2FUKUDA KENICHI2
Top patents by PatentIndex Score
18 records- 0192US6437515B1Discharge lamp lighting device of high startability with high pulse voltageMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Aug 20, 2002·80 cites·23 claims
- 0291US5574335ABallast containing protection circuit for detecting rectification of arc discharge lampOSRAM SYLVANIA INC·Filed 1994·Granted Nov 12, 1996·94 cites·10 claims
- 0389US6020691ADriving circuit for high intensity discharge lamp electronic ballastMATSUSHITA ELECTRIC WORKS R &·Filed 1999·Granted Feb 1, 2000·89 cites·35 claims
- 0488US6593703B2Apparatus and method for driving a high intensity discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2001·Granted Jul 15, 2003·48 cites·32 claims
- 0583US6144172AMethod and driving circuit for HID lamp electronic ballastMATSUSHITA ELECTRIC WORKS R &·Filed 1999·Granted Nov 7, 2000·59 cites·24 claims
- 0681US7365951B2Discharge lamp lighting device, lighting system and methodMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Granted Apr 29, 2008·7 cites·12 claims
- 0777US6448720B1Circuit for driving an HID lampMATSUSHITA ELECTRIC WORKS R &·Filed 2001·Granted Sep 10, 2002·21 cites·40 claims
- 0874US7469940B2Discharge lamp lighting device, lighting system and methodPANASONIC ELEC WORKS CO LTD·Filed 2007·Granted Dec 30, 2008·4 cites·6 claims
- 0969US6864645B2Method and circuit for driving a gas discharge lampMATSUSHITA ELECTRIC WORKS LTD·Filed 2003·Granted Mar 8, 2005·25 cites·35 claims
- 1068US8664872B2Circuit arrangement for operating a discharge lampFUKUDA KENICHI·Filed 2010·Granted Mar 4, 2014·2 cites·20 claims
- 1167US5262699AStarting and operating circuit for arc discharge lampGTE PROD CORP·Filed 1992·Granted Nov 16, 1993·33 cites·10 claims
- 1264US8084956B2Apparatus and method for automatically trimming an output parameter of an electronic ballastFUKUDA KENICHI·Filed 2008·Granted Dec 27, 2011·2 cites·23 claims
- 1363US5142202AStarting and operating circuit for arc discharge lampGTE PROD CORP·Filed 1991·Granted Aug 25, 1992·26 cites·11 claims
- 1458US5138235AStarting and operating circuit for arc discharge lampGTE PROD CORP·Filed 1991·Granted Aug 11, 1992·21 cites·10 claims
- 1545US8212496B2End-of-life protection circuit and method for high intensity discharge lamp ballastBRATES NANU·Filed 2009·Granted Jul 3, 2012·0 cites·17 claims
- 1639US8638042B1System and method for regulating an open circuit voltage of an HID lamp ballastSUN YIYOUNG TONY·Filed 2010·Granted Jan 28, 2014·0 cites·20 claims
- 1737US2003234714A1Winding device and method for manufacturing the sameMATSUSHITA ELECTRIC WORKS R &·Filed 2002·Application pending·0 cites
- 1836US8154211B2End-of-life protection circuit and method for high intensity discharge lamp ballastBRATES NANU·Filed 2009·Granted Apr 10, 2012·0 cites·17 claims
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