Inventor
LIU PING-CHEN
US28 patents
⚠️ This page may combine multiple inventors who share the name “LIU PING-CHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XILINX INC
8 patentsUS6980045B1Dec 27, 2005
Merged charge pump
XILINX INC79 citations98
US7145362B1Dec 5, 2006
Clock signal-distribution network for an integrated circuit
XILINX INC34 citations92
US7088627B1Aug 8, 2006
Column redundancy scheme for non-volatile flash memory using JTAG input protocol
XILINX INC24 citations92
US6861895B1Mar 1, 2005
High voltage regulation circuit to minimize voltage overshoot
XILINX INC22 citations92
US6816420B1Nov 9, 2004
Column redundancy scheme for serially programmable integrated circuits
XILINX INC51 citations92
US7353487B1Apr 1, 2008
Regional signal-distribution network for an integrated circuit
XILINX INC9 citations84
US6687157B1Feb 3, 2004
Circuits and methods for identifying a defective memory cell via first, second and third wordline voltages
XILINX INC12 citations69
US7617472B1Nov 10, 2009
Regional signal-distribution network for an integrated circuit
XILINX INC5 citations63
ALTERA CORP
8 patentsUS9917513B1Mar 13, 2018
Integrated circuit voltage regulator with adaptive current bleeder circuit
ALTERA CORP22 citations93
US7728569B1Jun 1, 2010
Voltage regulator circuitry with adaptive compensation
ALTERA CORP33 citations92
US8369175B1Feb 5, 2013
Memory elements with voltage overstress protection
ALTERA CORP7 citations84
US8013666B1Sep 6, 2011
Low ripple charge pump
ALTERA CORP15 citations84
US7705659B1Apr 27, 2010
Power regulator circuitry with power-on-reset control
ALTERA CORP16 citations84
US7868605B1Jan 11, 2011
Mixed mode power regulator circuitry for memory elements
ALTERA CORP9 citations83
US7859301B2Dec 28, 2010
Power regulator circuitry for programmable logic device memory elements
ALTERA CORP5 citations62
US9972368B2May 15, 2018
Circuitry for reducing leakage current in configuration memory
ALTERA CORP0 citations48
LE THIEN
3 patentsINTEL CORP
3 patentsUS12431902B2Sep 30, 2025
Systems and methods for low power modes for programmable logic devices
INTEL CORP0 citations62
US12249988B2Mar 11, 2025
Circuits and methods for detecting decreases in a supply voltage in an integrated circuit
INTEL CORP0 citations60
US10866608B2Dec 15, 2020
Apparatus and method of voltage regulation control for integrated circuit
INTEL CORP0 citations32