Inventor
WU CHIN-CHANG
TW40 patents
⚠️ This page may combine multiple inventors who share the name “WU CHIN-CHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABLEREX ELECTRONICS CO LTD
14 patentsUS7394237B2Jul 1, 2008
Maxium power point tracking method and tracking device thereof for a solar power system
ABLEREX ELECTRONICS CO LTD254 citations98
US7733670B2Jun 8, 2010
Bidirectional active power conditioner with DC/AC inverter in low-frequency switching
ABLEREX ELECTRONICS CO LTD38 citations92
US7446511B2Nov 4, 2008
Active power conditioner for AC load characteristics
ABLEREX ELECTRONICS CO LTD15 citations84
US7301787B2Nov 27, 2007
Active type harmonic suppression apparatus
ABLEREX ELECTRONICS CO LTD13 citations84
US8009446B2Aug 30, 2011
Ripple voltage suppression method for DC/DC converter and apparatus thereof
ABLEREX ELECTRONICS CO LTD8 citations81
US7787267B2Aug 31, 2010
Active power filter
ABLEREX ELECTRONICS CO LTD14 citations81
US7446510B2Nov 4, 2008
Diagnosis method for state-of-health of batteries
ABLEREX ELECTRONICS CO LTD18 citations81
US7272026B2Sep 18, 2007
Power converter for a hybrid power filter
ABLEREX ELECTRONICS CO LTD8 citations74
US9407165B2Aug 2, 2016
Cascade bridge-type DC-AC power conversion method and converter device thereof
ABLEREX ELECTRONICS CO LTD3 citations71
US7843082B2Nov 30, 2010
Islanding detection apparatus for a distributed generation power system and detection method therefor
ABLEREX ELECTRONICS CO LTD6 citations62
US8031497B2Oct 4, 2011
Three-leg power converter apparatus
ABLEREX ELECTRONICS CO LTD2 citations61
US7345380B2Mar 18, 2008
Backup power supply system with a null transfer time
ABLEREX ELECTRONICS CO LTD5 citations60
US7570029B2Aug 4, 2009
Active power conditioner
ABLEREX ELECTRONICS CO LTD3 citations59
US7450407B2Nov 11, 2008
Control method of AC/DC power converter for input current harmonic suppression
ABLEREX ELECTRONICS CO LTD4 citations57
UIS ABLER ELECTRONICS CO LTD
8 patentsUS7091704B2Aug 15, 2006
Three-phase three-wire active power filter
UIS ABLER ELECTRONICS CO LTD16 citations83
US6982546B2Jan 3, 2006
Hybrid reactive power compensation device
UIS ABLER ELECTRONICS CO LTD14 citations83
US6717465B2Apr 6, 2004
Active harmonic suppression equipment and control method therefor
UIS ABLER ELECTRONICS CO LTD14 citations83
US7183751B2Feb 27, 2007
Reactive power compensator device
UIS ABLER ELECTRONICS CO LTD8 citations73
US6876179B2Apr 5, 2005
Hybrid reactive power compensation device
UIS ABLER ELECTRONICS CO LTD7 citations72
US6906501B2Jun 14, 2005
Control method for parallel-connected power converters
UIS ABLER ELECTRONICS CO LTD10 citations70
US6801023B2Oct 5, 2004
DC/DC boost converter and control method therefor
UIS ABLER ELECTRONICS CO LTD9 citations70
US6960901B2Nov 1, 2005
Bi-directional DC/DC power converter having a neutral terminal
UIS ABLER ELECTRONICS CO LTD3 citations59
(unassigned)
7 patentsUS5921624AJul 13, 1999
Seat assembly for a bicycle
73 citations96
US6220398B1Apr 24, 2001
Brake cable positioning assembly for an inner swivel connector of a free style bicycle
48 citations92
US5884983AMar 23, 1999
Axle extension assembly for a bicycle
47 citations92
US5732601AMar 31, 1998
Coupling device for brake cables of bicycles
22 citations92
US5605076AFeb 25, 1997
Swivel mechanism for a bicycle
22 citations92
US5575178ANov 19, 1996
Brake handle
37 citations92
US6511248B2Jan 28, 2003
Brake wire connecting device for a stunt bike
15 citations84
WU CHIN-CHANG
4 patentsUS7128354B2Oct 31, 2006
Apparatus for supporting a video camera
WU CHIN-CHANG45 citations92
US8111528B2Feb 7, 2012
DC to AC inverter
WU CHIN-CHANG5 citations59
US8076799B2Dec 13, 2011
UPS system having a function of parallel operation
WU CHIN-CHANG4 citations57
US8923027B2Dec 30, 2014
Five-level DC-AC converter
WU CHIN-CHANG1 citations42