Inventor · disambiguated record
Ying-Chang Cheng
Also filed as: CHENG YING CHANG
12 granted patents·6 pending applications·39 citations·filing 2005–2012
86Inventor score
Top patents by PatentIndex Score
18 records- 0184US7786676B2LED driver structureZIPPY TECH CORP·Filed 2008·Granted Aug 31, 2010·8 cites·13 claims
- 0283US7719202B2Light emitting diode driving circuitZIPPY TECH CORP·Filed 2007·Granted May 18, 2010·15 cites·5 claims
- 0374US7598940B2Inverter for boosting rotational image displaying gainZIPPY TECH CORP·Filed 2006·Granted Oct 6, 2009·5 cites·6 claims
- 0469US7271551B1Driver protection circuit for a push-pull type discharge lampZIPPY TECH CORP·Filed 2006·Granted Sep 18, 2007·4 cites·10 claims
- 0567US7436128B2Driving circuit for hot cathode fluorescent lampsZIPPY TECH CORP·Filed 2006·Granted Oct 14, 2008·3 cites·4 claims
- 0656US7688556B2Arc-discharge detection deviceZIPPY TECH CORP·Filed 2007·Granted Mar 30, 2010·2 cites·9 claims
- 0751US2014115764A1The sanitization mechanism of the toilet seatCHENG YING CHANG·Filed 2012·Application pending·0 cites
- 0848US7633244B2Method for dimming multiple lampsZIPPY TECH CORP·Filed 2007·Granted Dec 15, 2009·0 cites·17 claims
- 0948US7545105B2Driving circuit for piezoelectric lampsZIPPY TECH CORP·Filed 2007·Granted Jun 9, 2009·0 cites·9 claims
- 1047US7747891B2Inverter control circuitZIPPY TECH CORP·Filed 2006·Granted Jun 29, 2010·0 cites·7 claims
- 1147US7558086B2Inverter control circuit with a resonant frequency modulation functionZIPPY TECH CORP·Filed 2006·Granted Jul 7, 2009·2 cites·3 claims
- 1247US7489085B2Backlight module actuation methodZIPPY TECH CORP·Filed 2005·Granted Feb 10, 2009·0 cites·7 claims
- 1345US7974065B2Electric arc isolation structure for transformersZIPPY TECH CORP·Filed 2007·Granted Jul 5, 2011·0 cites·5 claims
- 1444US2008122366A1Backup architecture for backlight moduleZIPPY TECH CORP·Filed 2006·Application pending·0 cites
- 1543US2008258643A1Method for driving alternate current of light emitting diode and operating voltage thereofZIPPY TECH CORP·Filed 2007·Application pending·0 cites
- 1643US2007103090A1Piezoelectric ignition circuit for lighting fixturesZIPPY TECH CORP·Filed 2005·Application pending·0 cites
- 1742US2007281571A1Control method for pre-warning an aging electric discharge lampZIPPY TECH CORP·Filed 2006·Application pending·0 cites
- 1841US2008225445A1Arc-discharge protection device with temperature detection modeZIPPY TECH CORP·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →