Inventor
CHENG CHUNG-KEN
TW14 patents
⚠️ This page may combine multiple inventors who share the name “CHENG CHUNG-KEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HORNG ALEX
6 patentsUS8279607B2Oct 2, 2012
Cooling module assembly method
HORNG ALEX8 citations81
US8421383B2Apr 16, 2013
Rotation control circuit of fan
HORNG ALEX3 citations61
US8248013B2Aug 21, 2012
Fan device with improved speed control module and plural fan system constructed thereby
HORNG ALEX1 citations51
US8791643B2Jul 29, 2014
AC LED lamp
HORNG ALEX0 citations48
US8610387B2Dec 17, 2013
Motor system
HORNG ALEX0 citations43
US8492923B2Jul 23, 2013
Lamp circuit with simplified circuitry complexity
HORNG ALEX0 citations38
SUNONWEALTH ELECTR MACH IND CO
5 patentsUS6949899B2Sep 27, 2005
Brushless DC motor having an AC power control device
SUNONWEALTH ELECTR MACH IND CO19 citations82
US7265514B1Sep 4, 2007
Frequency-variable pulse-width-modulation motor drive circuit capable of operating under different PWM frequencies
SUNONWEALTH ELECTR MACH IND CO7 citations71
US7741799B2Jun 22, 2010
Brushless direct current motor driving circuit
SUNONWEALTH ELECTR MACH IND CO2 citations62
US7501781B2Mar 10, 2009
Pulse-width-modulation motor drive circuit having potential limiter
SUNONWEALTH ELECTR MACH IND CO2 citations62
US7170242B1Jan 30, 2007
Pulse-width-modulation motor drive circuit
SUNONWEALTH ELECTR MACH IND CO6 citations62