Inventor
KIM DUK JUN
KR22 patents
⚠️ This page may combine multiple inventors who share the name “KIM DUK JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
14 patentsUS6804444B2Oct 12, 2004
Optical waveguide platform and manufacturing method thereof
KOREA ELECTRONICS TELECOMM22 citations91
US8929731B2Jan 6, 2015
Apparatus for measuring performance of coherent optical receiver
KOREA ELECTRONICS TELECOMM11 citations84
US7848602B2Dec 7, 2010
Waveguide structure and arrayed waveguide grating structure
KOREA ELECTRONICS TELECOMM14 citations84
US7693384B2Apr 6, 2010
Waveguide structure
KOREA ELECTRONICS TELECOMM17 citations84
US7218806B2May 15, 2007
Multi-wavelength optical transceiver module, and multiplexer/demultiplexer using thin film filter
KOREA ELECTRONICS TELECOMM11 citations83
US6839497B2Jan 4, 2005
Optical waveguide platform and method of manufacturing the same
KOREA ELECTRONICS TELECOMM11 citations72
US6807326B2Oct 19, 2004
Optical module for suppressing optical and electrical crosstalk simultaneously
KOREA ELECTRONICS TELECOMM9 citations72
US6147021ANov 14, 2000
Dielectric ceramic composition of microwave MGTIO3 CATIO3 group and dielectric ceramic fabrication method using the same
KOREA ELECTRONICS TELECOMM10 citations72
US6077802AJun 20, 2000
Microwave dielectric ceramic composition
KOREA ELECTRONICS TELECOMM9 citations72
US7881574B2Feb 1, 2011
Optical device
KOREA ELECTRONICS TELECOMM6 citations62
US7760974B2Jul 20, 2010
Silicon arrayed waveguide grating device for reducing effective refractive index variation of optical waveguide according to temperature
KOREA ELECTRONICS TELECOMM4 citations62
US9166680B2Oct 20, 2015
Apparatus and method for measuring IQ imbalance for optical receiver
KOREA ELECTRONICS TELECOMM0 citations41
US9031421B2May 12, 2015
Measuring device and method of measuring signal transmission time difference thereof
KOREA ELECTRONICS TELECOMM0 citations41
US7630602B2Dec 8, 2009
Optical filter module and method of manufacturing the same
KOREA ELECTRONICS TELECOMM0 citations41
ELECTRONICS & TELECOMMUNICATIONS RES INST
4 patentsUS12228777B2Feb 18, 2025
Optical alignment device
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations62
US12072600B2Aug 27, 2024
Mach-zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the same
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations62
US11500150B2Nov 15, 2022
Waveguide photodetector
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations51
US10649139B2May 12, 2020
Optical waveguide structure
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations50