Inventor
KIM CHAN-KI
KR20 patents
⚠️ This page may combine multiple inventors who share the name “KIM CHAN-KI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRIC POWER CORP
7 patentsUS7848120B2Dec 7, 2010
Voltage-sourced HVDC system with modulation function
KOREA ELECTRIC POWER CORP23 citations89
US5966299AOct 12, 1999
Boost and buck chopper type potential source excitation system for synchronous type electric power generator
KOREA ELECTRIC POWER CORP26 citations83
US9692311B2Jun 27, 2017
High-voltage direct current converter including a 12-pulse diode recitifier connected in series with a voltage-source converter
KOREA ELECTRIC POWER CORP10 citations82
US7944184B2May 17, 2011
Static compensator apparatus for HVDC system
KOREA ELECTRIC POWER CORP9 citations73
US9882504B2Jan 30, 2018
HVDC rectifier protection using estimated and measured power
KOREA ELECTRIC POWER CORP3 citations69
US6795287B2Sep 21, 2004
Static excitation system having capability of eliminating shaft vibrations of a generator and overvoltage when underexited
KOREA ELECTRIC POWER CORP9 citations66
US7061743B2Jun 13, 2006
Multi-pulse HVDC system using auxiliary circuit
KOREA ELECTRIC POWER CORP3 citations52
HYUNDAI ELECTRONICS IND
5 patentsUS6545624B2Apr 8, 2003
Image sensor with analog-to-digital converter that generates a variable slope ramp signal
HYUNDAI ELECTRONICS IND111 citations96
US6423957B1Jul 23, 2002
CMOS image sensor having automatic reference voltage controller
HYUNDAI ELECTRONICS IND68 citations95
US6359323B1Mar 19, 2002
Color image sensor and method for fabricating the same
HYUNDAI ELECTRONICS IND56 citations95
US6867804B1Mar 15, 2005
Image sensor for implementing data read operation at high speed
HYUNDAI ELECTRONICS IND41 citations92
US6632702B2Oct 14, 2003
Color image sensor and method for fabricating the same
HYUNDAI ELECTRONICS IND4 citations61