Inventor
KOH JAI-SANG
KR25 patents
⚠️ This page may combine multiple inventors who share the name “KOH JAI-SANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
9 patentsUS7386234B2Jun 10, 2008
Apparatus for remotely determining fault of subscriber terminals and method thereof
KOREA ELECTRONICS TELECOMM24 citations92
US7054856B2May 30, 2006
System for drawing patent map using technical field word and method therefor
KOREA ELECTRONICS TELECOMM58 citations89
US7998861B2Aug 16, 2011
Method of manufacturing through-via
KOREA ELECTRONICS TELECOMM7 citations84
US7792401B2Sep 7, 2010
Optical waveguide device and optical communication module
KOREA ELECTRONICS TELECOMM8 citations83
US7995883B2Aug 9, 2011
Optical waveguide and bi-directional optical transceiver
KOREA ELECTRONICS TELECOMM4 citations62
US8364043B2Jan 29, 2013
Method and apparatus for controlling reflective semiconductor optical amplifier (RSOA)
KOREA ELECTRONICS TELECOMM3 citations59
US7471900B2Dec 30, 2008
Passive optical network system and method of transmitting broadcasting signal in same
KOREA ELECTRONICS TELECOMM0 citations51
US7848652B2Dec 7, 2010
Wavelength division multiplexing passive optical network system and method of generating optical source
KOREA ELECTRONICS TELECOMM1 citations49
US8047088B2Nov 1, 2011
Environmental test chamber having movable panel and method of driving the same
KOREA ELECTRONICS TELECOMM0 citations39
LIM KWON-SEOB
2 patentsLEE JONG-JIN
2 patentsELECTRONICS & TELECOMMUNICATIONS RES INST
2 patentsUS10057451B2Aug 21, 2018
Astral lamp device having detachable and angle-controllable LED module blocks and method of setting the same
ELECTRONICS & TELECOMMUNICATIONS RES INST5 citations72
US9846286B2Dec 19, 2017
Wavelength division multi-channel optical module and manufacturing method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations51