Inventor
ZHAO SHIFENG
CN34 patents
⚠️ This page may combine multiple inventors who share the name “ZHAO SHIFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ON BRIGHT ELECTRONICS SHANGHAI CO LTD
21 patentsUS7684220B2Mar 23, 2010
System and method providing over current and over power protection for power converter
ON BRIGHT ELECTRONICS SHANGHAI CO LTD122 citations99
US7990202B2Aug 2, 2011
System and method for driving bipolar transistors in switching power conversion
ON BRIGHT ELECTRONICS SHANGHAI CO LTD71 citations98
US7679938B2Mar 16, 2010
System and method for providing control for switch-mode power supply
ON BRIGHT ELECTRONICS SHANGHAI CO LTD47 citations98
US7492619B2Feb 17, 2009
System and method for providing control for switch-mode power supply
ON BRIGHT ELECTRONICS SHANGHAI CO LTD83 citations98
US7394634B2Jul 1, 2008
Control system and method with constant maximum current for power converter protection
ON BRIGHT ELECTRONICS SHANGHAI CO LTD87 citations98
US7345895B2Mar 18, 2008
Adaptive multi-level threshold system and method for power converter protection
ON BRIGHT ELECTRONICS SHANGHAI CO LTD59 citations98
US7099164B2Aug 29, 2006
Adaptive multi-level threshold system and method for power converter protection
ON BRIGHT ELECTRONICS SHANGHAI CO LTD72 citations98
US8018745B2Sep 13, 2011
System and method providing over current and over power protection for power converter
ON BRIGHT ELECTRONICS SHANGHAI CO LTD39 citations96
US9647448B2May 9, 2017
System and method providing over current and over power protection for power converter
ON BRIGHT ELECTRONICS SHANGHAI CO LTD27 citations94
US7795851B2Sep 14, 2010
System and method for adaptive switching frequency control
ON BRIGHT ELECTRONICS SHANGHAI CO LTD19 citations93
US7746615B2Jun 29, 2010
Adaptive multi-level threshold system and method for power converter protection
ON BRIGHT ELECTRONICS SHANGHAI CO LTD37 citations93
US7738227B2Jun 15, 2010
Control system and method with constant maximum current for power converter protection
ON BRIGHT ELECTRONICS SHANGHAI CO LTD41 citations93
US7684462B2Mar 23, 2010
System and method for controlling variations of switching frequency
ON BRIGHT ELECTRONICS SHANGHAI CO LTD40 citations93
US7382592B2Jun 3, 2008
System and method of electrostatic discharge protection for signals at various voltages
ON BRIGHT ELECTRONICS SHANGHAI CO LTD12 citations84
US7852640B2Dec 14, 2010
System and method for providing control for switch-mode power supply
ON BRIGHT ELECTRONICS SHANGHAI CO LTD7 citations74
US7706162B2Apr 27, 2010
System and method for providing switching to power regulators
ON BRIGHT ELECTRONICS SHANGHAI CO LTD4 citations63
US7880407B2Feb 1, 2011
Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps
ON BRIGHT ELECTRONICS SHANGHAI CO LTD5 citations62
US7750581B2Jul 6, 2010
Driver system and method for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps
ON BRIGHT ELECTRONICS SHANGHAI CO LTD3 citations62
US8379415B2Feb 19, 2013
Systems and methods for reducing EMI in switch mode converter systems
ON BRIGHT ELECTRONICS SHANGHAI CO LTD0 citations52
US8344715B2Jan 1, 2013
System and method for adaptive switching frequency control
ON BRIGHT ELECTRONICS SHANGHAI CO LTD0 citations52
US7859806B2Dec 28, 2010
System and method of electrostatic discharge protection for signals at various voltages
ON BRIGHT ELECTRONICS SHANGHAI CO LTD1 citations52
FANG LIEYI
3 patentsUS8482946B2Jul 9, 2013
System and method providing over current and over power protection for power converter
FANG LIEYI32 citations92
US8330525B2Dec 11, 2012
System and method for driving bipolar transistors in switching power conversion
FANG LIEYI0 citations52
US8587226B2Nov 19, 2013
Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps
FANG LIEYI0 citations51