Inventor
CHU KWANG-UK
KR16 patents
⚠️ This page may combine multiple inventors who share the name “CHU KWANG-UK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
5 patentsUS5651080AJul 22, 1997
Optical exchanging apparatus using mode conversion and mode selection in an optical waveguide
KOREA ELECTRONICS TELECOMM23 citations90
US5574586ANov 12, 1996
Simultaneous optical compression and decompression apparatus
KOREA ELECTRONICS TELECOMM12 citations64
US7920822B2Apr 5, 2011
Device for preventing eavesdropping through speaker
KOREA ELECTRONICS TELECOMM5 citations62
US8994471B2Mar 31, 2015
Stacked diode limiter
KOREA ELECTRONICS TELECOMM2 citations59
US9190722B2Nov 17, 2015
Antenna line protection device
KOREA ELECTRONICS TELECOMM0 citations38
NOVERA OPTICS INC
4 patentsUS7593647B2Sep 22, 2009
Apparatuses and methods for automatic wavelength locking of an optical transmitter to the wavelength of an injected incoherent light signal
NOVERA OPTICS INC24 citations92
US7469102B2Dec 23, 2008
Wavelength-division-multiplexing passive optical network utilizing fiber fault detectors and/or wavelength tracking components
NOVERA OPTICS INC13 citations84
US7646978B2Jan 12, 2010
Methods and apparatuses to provide a wavelength division-multiplexing passive optical network based on wavelength-locked wavelength-division-multiplexed light sources
NOVERA OPTICS INC3 citations62
US6977731B1Dec 20, 2005
Method and apparatus for enhancing the resolving power of a tunable optical filter
NOVERA OPTICS INC4 citations62
KOREA ADVANCED INST SCI & TECH
2 patentsUS7171123B2Jan 30, 2007
Method for decreasing and compensating the transmission loss at a wavelength-division-multiplexed passive optical network and an apparatus therefor
KOREA ADVANCED INST SCI & TECH35 citations92
US6671045B1Dec 30, 2003
Apparatus and method for measuring optical signal-to-noise ratio
KOREA ADVANCED INST SCI & TECH21 citations91