Inventor
PARK HEUK
KR22 patents
⚠️ This page may combine multiple inventors who share the name “PARK HEUK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
11 patentsUS6498802B1Dec 24, 2002
Organic micro-cavity laser
KOREA ELECTRONICS TELECOMM63 citations96
US5949089ASep 7, 1999
Organic light emitting diode having thin insulating layer
KOREA ELECTRONICS TELECOMM23 citations92
US6317247B1Nov 13, 2001
Bias voltage stabilizing method for electricity-optical modulator based on off-level sampling
KOREA ELECTRONICS TELECOMM74 citations89
US9397778B2Jul 19, 2016
Tunable optical network unit for multi-wavelength passive optical network system and operating method thereof
KOREA ELECTRONICS TELECOMM8 citations84
US7142570B2Nov 28, 2006
Apparatus and method for generating optical carrier for microwave and millimeterwave photonics system
KOREA ELECTRONICS TELECOMM11 citations84
US7133196B1Nov 7, 2006
Erbium doped fiber amplifier for reducing transient phenomena of OSNR and BER in dynamic WDM system and amplifying method thereof
KOREA ELECTRONICS TELECOMM11 citations84
US8010978B2Aug 30, 2011
Method and apparatus for providing personalized advertisements in internet protocol TV (IPTV) system
KOREA ELECTRONICS TELECOMM5 citations62
US7356220B2Apr 8, 2008
Apparatus and method for reducing signal noise and OCDMA receiver and method
KOREA ELECTRONICS TELECOMM4 citations62
US7242834B2Jul 10, 2007
Dispersion-shifted fiber for optical parametric amplifier
KOREA ELECTRONICS TELECOMM4 citations62
US7755073B2Jul 13, 2010
Acousto-optic filter and optical CDMA system using the same
KOREA ELECTRONICS TELECOMM4 citations61
US7230958B2Jun 12, 2007
Raman amplifier and raman pumping method
KOREA ELECTRONICS TELECOMM3 citations61
ELECTRONICS & TELECOMMUNICATIONS RES INST
10 patentsUS9900991B2Feb 20, 2018
Flexible printed circuit board for optical module
ELECTRONICS & TELECOMMUNICATIONS RES INST5 citations73
US11609474B2Mar 21, 2023
Terahertz signal generation apparatus and terahertz signal generation method using the same
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations62
US11429006B2Aug 30, 2022
Silicon photonics-based optical transmission apparatus
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations61
US10476625B2Nov 12, 2019
Optical network system using wavelength channels included in O-band
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations52
US10003427B1Jun 19, 2018
Bidirectional optical element
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations52
US9804327B1Oct 31, 2017
Phase error compensating apparatus
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations52
US11899334B2Feb 13, 2024
Silicon photonics-based optical modulator
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations51
US12436441B2Oct 7, 2025
Silicon photonics-based optical modulation device with two metal layers
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations50
US11409047B2Aug 9, 2022
Optical coupling method and apparatus
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations50
US9720170B2Aug 1, 2017
Arrayed waveguide grating device and method for manufacturing the same
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations42