Inventor
RYU SEUNG JIN
KR10 patents
⚠️ This page may combine multiple inventors who share the name “RYU SEUNG JIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ELECTRONICS & TELECOMMUNICATIONS RES INST
6 patentsUS10468745B2Nov 5, 2019
Security paper based on RF tag using dipole array structure and method for manufacturing the security paper
ELECTRONICS & TELECOMMUNICATIONS RES INST4 citations70
US10152662B2Dec 11, 2018
Apparatus and method for generating 2D barcode and apparatus for extracting 2D barcode information
ELECTRONICS & TELECOMMUNICATIONS RES INST1 citations49
US9710872B2Jul 18, 2017
Information insertion method, information extraction method, and information extraction apparatus using dot-based information robust to geometric distortion
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations40
US9560032B2Jan 31, 2017
Method and apparatus for preventing illegitimate outflow of electronic document
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations39
US9892350B2Feb 13, 2018
Image-forming apparatus having internal security paper detection unit and image-forming method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations37
US9721198B2Aug 1, 2017
Image-forming apparatus having external security paper detection unit and image-forming method thereof
ELECTRONICS & TELECOMMUNICATIONS RES INST0 citations37
KOREA ELECTRONICS TELECOMM
3 patentsUS9368010B2Jun 14, 2016
Security printing paper based on chipless radio frequency tag and method of manufacturing the same
KOREA ELECTRONICS TELECOMM1 citations50
US9193173B1Nov 24, 2015
Method and apparatus for preventing illegitimate exit of printed document by applying security material
KOREA ELECTRONICS TELECOMM1 citations50
US9292238B2Mar 22, 2016
Method and apparatus for preventing leakage of printout using security paper
KOREA ELECTRONICS TELECOMM0 citations40