Inventor
HSU CHENG-CHIA
TW26 patents
⚠️ This page may combine multiple inventors who share the name “HSU CHENG-CHIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LOGAH TECHNOLOGY CORP
20 patentsUS7262558B2Aug 28, 2007
Lamp current control device
LOGAH TECHNOLOGY CORP8 citations73
US7612644B2Nov 3, 2009
Winding structure of a transformer
LOGAH TECHNOLOGY CORP4 citations71
US7067991B2Jun 27, 2006
Feedback sampling control circuit for lamp driving system
LOGAH TECHNOLOGY CORP8 citations68
US7834559B2Nov 16, 2010
Lamp circuit of liquid crystal device backlight source
LOGAH TECHNOLOGY CORP2 citations61
US7639111B2Dec 29, 2009
High voltage transformer for backlight power source
LOGAH TECHNOLOGY CORP4 citations61
US7579936B2Aug 25, 2009
Choke transformer used in liquid crystal display backlight driver
LOGAH TECHNOLOGY CORP3 citations61
US7425139B2Sep 16, 2008
Fixation structure for fixing a lamp on a printed circuit board
LOGAH TECHNOLOGY CORP3 citations61
US7612643B2Nov 3, 2009
Winding structure of a transformer
LOGAH TECHNOLOGY CORP2 citations60
US7612642B2Nov 3, 2009
Winding structure of a transformer
LOGAH TECHNOLOGY CORP2 citations60
US7538651B2May 26, 2009
Winding structure of a transformer
LOGAH TECHNOLOGY CORP1 citations60
US7253564B2Aug 7, 2007
Lamp current balancing device
LOGAH TECHNOLOGY CORP2 citations59
US7212045B2May 1, 2007
Double frequency signal generator
LOGAH TECHNOLOGY CORP3 citations59
US7109723B2Sep 19, 2006
Bridge type phase detection device
LOGAH TECHNOLOGY CORP2 citations59
US7215234B2May 8, 2007
Tap-off transformer
LOGAH TECHNOLOGY CORP0 citations51
US7675243B2Mar 9, 2010
Two-end driven lamp controlling device
LOGAH TECHNOLOGY CORP1 citations49
US7397337B2Jul 8, 2008
Winding base structure of transformer
LOGAH TECHNOLOGY CORP0 citations49
US7268500B2Sep 11, 2007
Control device for multiple lamp currents of liquid crystal display backlight source
LOGAH TECHNOLOGY CORP0 citations49
US8378962B2Feb 19, 2013
LCD backlight driving device with an isolating transformer
LOGAH TECHNOLOGY CORP0 citations39
US7884796B2Feb 8, 2011
Lamp driving structure for backlight module
LOGAH TECHNOLOGY CORP0 citations39
US7741789B2Jun 22, 2010
Locked phase active power current control circuit
LOGAH TECHNOLOGY CORP0 citations38
AMBIT MICROSYSTEMS CORP
4 patentsUS6717372B2Apr 6, 2004
Multi-lamp driving system
AMBIT MICROSYSTEMS CORP153 citations96
US6534934B1Mar 18, 2003
Multi-lamp driving system
AMBIT MICROSYSTEMS CORP141 citations95
US6611190B2Aug 26, 2003
Transformer for inverter circuit
AMBIT MICROSYSTEMS CORP30 citations84
US6788005B2Sep 7, 2004
Inverter and lamp ignition system using the same
AMBIT MICROSYSTEMS CORP9 citations73