Inventor
LEE JIE HYUN
KR26 patents
⚠️ This page may combine multiple inventors who share the name “LEE JIE HYUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
12 patentsUS9397778B2Jul 19, 2016
Tunable optical network unit for multi-wavelength passive optical network system and operating method thereof
KOREA ELECTRONICS TELECOMM8 citations84
US9246628B2Jan 26, 2016
Hybrid passive optical network system
KOREA ELECTRONICS TELECOMM4 citations73
US9219567B2Dec 22, 2015
Converged PON for TDMA-PON service based on OFDMA-PON
KOREA ELECTRONICS TELECOMM6 citations73
US9197351B2Nov 24, 2015
Method of selecting wavelength of optical network unit in passive optical network
KOREA ELECTRONICS TELECOMM5 citations73
US9191116B2Nov 17, 2015
Orthogonal frequency division multiple access-passive optical network comprising optical network unit and optical line terminal
KOREA ELECTRONICS TELECOMM6 citations73
US7580441B2Aug 25, 2009
Athermal external cavity laser
KOREA ELECTRONICS TELECOMM5 citations72
US9112600B2Aug 18, 2015
Wavelength tuning time measurement apparatus and method for multi-wavelength passive optical network
KOREA ELECTRONICS TELECOMM6 citations71
US9130675B2Sep 8, 2015
Signal transmission apparatus and optical modem modulation method
KOREA ELECTRONICS TELECOMM3 citations63
US7995626B2Aug 9, 2011
Athermal external cavity laser
KOREA ELECTRONICS TELECOMM2 citations61
US7679819B2Mar 16, 2010
Feed-forward current injection circuits and semiconductor optical amplifier structures for downstream optical signal reuse method
KOREA ELECTRONICS TELECOMM5 citations61
US9225570B2Dec 29, 2015
Method of allocating upstream bandwidth resource and method of transmitting upstream data in orthogonal frequency division multiple access-open optical subscriber network
KOREA ELECTRONICS TELECOMM3 citations59
US8364043B2Jan 29, 2013
Method and apparatus for controlling reflective semiconductor optical amplifier (RSOA)
KOREA ELECTRONICS TELECOMM3 citations59
ELECTRONICS & TELECOMMUNICATIONS RES INST
5 patentsUS10523333B2Dec 31, 2019
Optical signal transmission apparatus for generating multi-level optical signal and method performed by the same
ELECTRONICS & TELECOMMUNICATIONS RES INST2 citations72
US10447405B2Oct 15, 2019
Optical receiver with optical demultiplexer
ELECTRONICS & TELECOMMUNICATIONS RES INST3 citations72
US10359572B2Jul 23, 2019
Device and method for detecting optical signal
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations51
US10110338B2Oct 23, 2018
Apparatus and method for detecting optical signal
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations51
US9804346B2Oct 31, 2017
Receptacle-collimator assembly and multi-wavelength optical receiver module
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations51