YC

Ying-Chang Cheng

ZT Zippy Technology: 12 patents #9 of 68Top 15%
Overall (All Time): #424,024 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7974065 Electric arc isolation structure for transformers 2011-07-05
7786676 LED driver structure Shih-Hung Liu 2010-08-31
7747891 Inverter control circuit Chin-Biau Chung 2010-06-29
7719202 Light emitting diode driving circuit Shih-Hung Liu 2010-05-18
7688556 Arc-discharge detection device Chin-Biau Chung 2010-03-30
7633244 Method for dimming multiple lamps 2009-12-15
7598940 Inverter for boosting rotational image displaying gain Chin-Wen Chou, Ying-Nan Cheng, Chin-Biau Chung 2009-10-06
7558086 Inverter control circuit with a resonant frequency modulation function 2009-07-07
7545105 Driving circuit for piezoelectric lamps Chin-Biau Chung 2009-06-09
7489085 Backlight module actuation method Chin-Wen Chou, Ying-Nan Cheng, Chin-Biau Chung 2009-02-10
7436128 Driving circuit for hot cathode fluorescent lamps Chin-Biau Chung 2008-10-14
7271551 Driver protection circuit for a push-pull type discharge lamp 2007-09-18