Inventor · disambiguated record
Ku Young Chang
Also filed as: CHANG KU YOUNG
19 granted patents·7 pending applications·103 citations·filing 2005–2021
92Inventor score
Files withKOREA ELECTRONICS TELECOMM10ELECTRONICS & TELECOMMUNICATIONS RES INST7CHANG KU YOUNG3CHOI JEONG-WOON2HWANG JUNG YEON2
Top patents by PatentIndex Score
26 records- 0191US9258130B2Apparatus and method for anonymity-based authentication and key agreement capable of providing communication message binding propertyKOREA ELECTRONICS TELECOMM·Filed 2013·Granted Feb 9, 2016·41 cites·9 claims
- 0285US9331851B2Apparatus and method for giving the compressed encryption functionality to integer-based homomorphic encryption schemesKOREA ELECTRONICS TELECOMM·Filed 2014·Granted May 3, 2016·9 cites·8 claims
- 0385US8966273B2Lightweight group signature system and method with short signatureHWANG JUNG YEON·Filed 2012·Granted Feb 24, 2015·12 cites·12 claims
- 0483US10270588B2Method and system for additive homomorphic encryption scheme with operation error detection functionalityELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Apr 23, 2019·5 cites·16 claims
- 0581US11791997B2Method and apparatus for generating secret key based on neural network synchronizationELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Oct 17, 2023·1 cites·17 claims
- 0681US8639927B2Method of user-authenticated quantum key distributionCHOI JEONG-WOON·Filed 2010·Granted Jan 28, 2014·11 cites·13 claims
- 0779US9374220B2System and method for providing compressed encryption and decryption in homomorphic encryption based on integersKOREA ELECTRONICS TELECOMM·Filed 2014·Granted Jun 21, 2016·5 cites·12 claims
- 0875US9087277B2Apparatus and method for dynamic multi-dimensional codes with time and visual recognition informationHWANG JUNG-YEON·Filed 2012·Granted Jul 21, 2015·4 cites·13 claims
- 0972US8873749B2Multi-user searchable encryption system and method with index validation and tracingKOREA ELECTRONICS TELECOMM·Filed 2012·Granted Oct 28, 2014·3 cites·4 claims
- 1069US8225107B2Methods of storing and retrieving data in/from external serverCHANG KU-YOUNG·Filed 2009·Granted Jul 17, 2012·5 cites·9 claims
- 1168US7715556B2Key establishment method and system using commutative linear functionKOREA ELECTRONICS TELECOMM·Filed 2006·Granted May 11, 2010·4 cites·7 claims
- 1260US10025811B2Method and apparatus for deduplicating encrypted dataELECTRONICS AND TELECOMIVIUNICATIONS RES INSTITUTE·Filed 2016·Granted Jul 17, 2018·1 cites·16 claims
- 1359US12095908B2Key generation apparatus and method based on machine learningELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2021·Granted Sep 17, 2024·0 cites·14 claims
- 1457US7599979B2Apparatus for hybrid multiplier in GF(2m) and method thereofKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Oct 6, 2009·1 cites·5 claims
- 1548US10515225B2Method for mutual verifying of data ownershipELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2016·Granted Dec 24, 2019·0 cites·19 claims
- 1647US9065631B2Integrated cryptographic module providing confidentiality and integrityCHANG KU YOUNG·Filed 2011·Granted Jun 23, 2015·1 cites·18 claims
- 1744US2010150349A1Method and system for performing quantum bit commitment protocolKOREA ELECTRONICS TELECOMM·Filed 2009·Application pending·0 cites
- 1843US11403284B2System for data sharing platform based on distributed data sharing environment based on block chain, method of searching for data in the system, and method of providing search index in the systemELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2020·Granted Aug 2, 2022·0 cites·10 claims
- 1943US9577828B2Batch verification method and apparatus thereofELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2015·Granted Feb 21, 2017·0 cites·18 claims
- 2043US2014245019A1Apparatus for generating privacy-protecting document authentication information and method of performing privacy-protecting document authentication using the sameKOREA ELECTRONICS TELECOMM·Filed 2013·Application pending·0 cites
- 2142US2013055393A1Method and apparatus for enhancing privacy of contact information in profileYOUN TAEK YOUNG·Filed 2012·Application pending·0 cites
- 2238US7587046B2Method and apparatus for generating keystreamKOREA ELECTRONICS TELECOMM·Filed 2005·Granted Sep 8, 2009·0 cites·12 claims
- 2338US2018123800A1Method and apparatus for de-duplicating encrypted file through verification of file possession, and method and apparatus for storing encrypted fileELECTRONICS & TELECOMMUNICATIONS RES INST·Filed 2017·Application pending·0 cites
- 2438US2012158734A1Data management system and methodCHANG KU YOUNG·Filed 2011·Application pending·0 cites
- 2533US2015270958A1Decryptable index generation method for range search, search method, and decryption methodKOREA ELECTRONICS TELECOMM·Filed 2015·Application pending·0 cites
- 2629US2014068765A1Method and apparatus for authenticating user in multiparty quantum communicationsCHOI JEONG-WOON·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ku Young Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →