Inventor
RYU HAN-CHEOL
KR13 patents
⚠️ This page may combine multiple inventors who share the name “RYU HAN-CHEOL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOREA ELECTRONICS TELECOMM
8 patentsUS9228826B2Jan 5, 2016
Apparatus and method for contactless thickness measurement
KOREA ELECTRONICS TELECOMM3 citations72
US7692516B2Apr 6, 2010
Phase shifter with photonic band gap structure using ferroelectric thin film
KOREA ELECTRONICS TELECOMM7 citations72
US9136421B2Sep 15, 2015
Wide area array type photonic crystal photomixer for generating and detecting broadband terahertz wave
KOREA ELECTRONICS TELECOMM5 citations71
US9130082B2Sep 8, 2015
Apparatus for generating/detecting terahertz wave using graphene and manufacturing method of the same
KOREA ELECTRONICS TELECOMM3 citations61
US7274058B2Sep 25, 2007
Ferroelectric/paraelectric multilayer thin film, method of forming the same, and high frequency variable device using the same
KOREA ELECTRONICS TELECOMM6 citations61
US7192530B2Mar 20, 2007
Method of manufacturing distributed analog phase shifter using etched ferroelectric thin film
KOREA ELECTRONICS TELECOMM6 citations61
US9035251B2May 19, 2015
Terahertz wave generating module and terahertz wave detecting device including the same
KOREA ELECTRONICS TELECOMM0 citations51
US8772725B2Jul 8, 2014
Photo detector and optical device
KOREA ELECTRONICS TELECOMM1 citations51
ELECTRONICS & TELECOMMUNICATIONS RES INST
3 patentsUS9410851B2Aug 9, 2016
Beating signal monitoring module, terahertz wave generation device and optical signal monitoring device including the beating signal monitoring module
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations51
US9618823B2Apr 11, 2017
Photo mixer and method for manufacturing same
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations50
US9553678B2Jan 24, 2017
Interconnection apparatus and method using terahertz waves
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations39