Assignee
CHANG CHU-CHENG
3 granted patents·5 pending applications·7 citations·filing 2007–2014
Top patents by PatentIndex Score
8 records- 0157US8044599B2Light string with alternate LED lamps and incandescent lampsCHANG CHU-CHENG·Filed 2009·Granted Oct 25, 2011·4 cites·10 claims
- 0254US8053995B2LED light string without additional resistorsCHANG CHU-CHENG·Filed 2008·Granted Nov 8, 2011·1 cites·1 claims
- 0342US7597454B2Christmas light string with socket for connecting to another christmas light stringCHANG CHU-CHENG·Filed 2007·Granted Oct 6, 2009·2 cites·1 claims
- 0442US2010148694A1LED light string with capacitor based rectifier filter for increasing output voltageCHANG CHU-CHENG·Filed 2008·Application pending·0 cites
- 0542US2010102735A1Led light string with zener diodes or resistors as shuntsCHANG CHU-CHENG·Filed 2008·Application pending·0 cites
- 0642US2010109553A1Led bulb with zener diode, zener diode assembly or resistor connected in seriesCHANG CHU-CHENG·Filed 2008·Application pending·0 cites
- 0741US2009322236A1Christmas light string with LED bulb loop and incandescent light bulb loopCHANG CHU-CHENG·Filed 2008·Application pending·0 cites
- 0840US2015216005A1Light stringCHANG CHU-CHENG·Filed 2014·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →