Inventor · disambiguated record
Chung-Ken Cheng
Also filed as: CHENG CHUNG-KEN
14 granted patents·9 pending applications·49 citations·filing 2003–2018
89Inventor score
Files withHORNG ALEX11SUNONWEALTH ELECTR MACH IND CO7SUNONWEALTH ELECTRIC MACHINE IND CO LTD2CHENG CHUNG-KEN1KUO CHI-HUNG1
Top patents by PatentIndex Score
23 records- 0182US8279607B2Cooling module assembly methodHORNG ALEX·Filed 2010·Granted Oct 2, 2012·8 cites·20 claims
- 0272US8421383B2Rotation control circuit of fanHORNG ALEX·Filed 2010·Granted Apr 16, 2013·3 cites·19 claims
- 0371US6949899B2Brushless DC motor having an AC power control deviceSUNONWEALTH ELECTR MACH IND CO·Filed 2003·Granted Sep 27, 2005·19 cites·9 claims
- 0466US7265514B1Frequency-variable pulse-width-modulation motor drive circuit capable of operating under different PWM frequenciesSUNONWEALTH ELECTR MACH IND CO·Filed 2006·Granted Sep 4, 2007·7 cites·14 claims
- 0566US7170242B1Pulse-width-modulation motor drive circuitSUNONWEALTH ELECTR MACH IND CO·Filed 2005·Granted Jan 30, 2007·6 cites·10 claims
- 0661US10090724B2Stator for use in a dual-phased motor and a method for winding the statorSUNONWEALTH ELECTRIC MACHINE IND CO LTD·Filed 2015·Granted Oct 2, 2018·1 cites·20 claims
- 0755US8248013B2Fan device with improved speed control module and plural fan system constructed therebyHORNG ALEX·Filed 2009·Granted Aug 21, 2012·1 cites·17 claims
- 0854US2014210347A1Ac led lampSUNONWEALTH ELECTR MACH IND CO·Filed 2014·Application pending·0 cites
- 0952US2018226854A1Method for Winding a Stator for use in a Dual-Phased MotorSUNONWEALTH ELECTRIC MACHINE IND CO LTD·Filed 2018·Application pending·0 cites
- 1050US7501781B2Pulse-width-modulation motor drive circuit having potential limiterSUNONWEALTH ELECTR MACH IND CO·Filed 2006·Granted Mar 10, 2009·2 cites·19 claims
- 1149US8791643B2AC LED lampHORNG ALEX·Filed 2011·Granted Jul 29, 2014·0 cites·8 claims
- 1249US7741799B2Brushless direct current motor driving circuitSUNONWEALTH ELECTR MACH IND CO·Filed 2007·Granted Jun 22, 2010·2 cites·6 claims
- 1342US8492923B2Lamp circuit with simplified circuitry complexityHORNG ALEX·Filed 2010·Granted Jul 23, 2013·0 cites·13 claims
- 1442US2012068568A1Axial Winding MotorHORNG ALEX·Filed 2010·Application pending·0 cites
- 1539US2012176054A1Light device and power control circuit thereofKUO CHI-HUNG·Filed 2011·Application pending·0 cites
- 1639US2012049698A1BLDC Motor with Dual Rotation DirectionsHORNG ALEX·Filed 2010·Application pending·0 cites
- 1735US8610387B2Motor systemHORNG ALEX·Filed 2010·Granted Dec 17, 2013·0 cites·16 claims
- 1835US2012007510A1Control module with power supply detection and lamp utilizing the sameHORNG ALEX·Filed 2010·Application pending·0 cites
- 1935US2011070098A1Fan control systemSUNONWEALTH ELECTR MACH IND CO·Filed 2010·Application pending·0 cites
- 2030US7245098B1Brushless dc motor having a motor-locked protective circuitSONONWEALTH ELECTRIC MACHINE I·Filed 2006·Granted Jul 17, 2007·0 cites·18 claims
- 2130US2011187299A1Fan system and braking circuit thereofHORNG ALEX·Filed 2010·Application pending·0 cites
- 2229US2011254490A1Motor-driving apparatusHORNG ALEX·Filed 2010·Application pending·0 cites
- 2327US8970149B2Motor circuit with power-off braking functionCHENG CHUNG-KEN·Filed 2012·Granted Mar 3, 2015·0 cites·11 claims
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