Inventor · disambiguated record
Jung Hee Cheon
Also filed as: CHEON JUNG HEE
39 granted patents·13 pending applications·100 citations·filing 2005–2025
96Inventor score
Files withCRYPTO LAB INC31SAMSUNG ELECTRONICS CO LTD7SAMSUNG SDS CO LTD4SEOUL NAT UNIV R&DB FOUNDATION4CHEON JUNG HEE2
Top patents by PatentIndex Score
52 records- 0196US11509454B2Apparatus for processing modular multiply operation and methods thereofCRYPTO LAB INC·Filed 2020·Granted Nov 22, 2022·11 cites·12 claims
- 0293US11101976B2Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereofCRYPTO LAB INC·Filed 2020·Granted Aug 24, 2021·5 cites·16 claims
- 0393US10778409B2Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereofCRYPTO LAB INC·Filed 2018·Granted Sep 15, 2020·16 cites·7 claims
- 0490US9379891B2Method and system for ID-based encryption and decryptionSAMSUNG SDS CO LTD·Filed 2013·Granted Jun 28, 2016·16 cites·19 claims
- 0587US11757618B2Apparatus for processing non-polynomial operation on homomorphic encrypted messages and methods thereofCRYPTO LAB INC·Filed 2021·Granted Sep 12, 2023·2 cites·8 claims
- 0685US10211974B2Encryption apparatus, method for encryption and computer-readable recording mediumSAMSUNG ELECTRONICS CO LTD·Filed 2015·Granted Feb 19, 2019·6 cites·9 claims
- 0784US11115183B2Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereofCRYPTO LAB INC·Filed 2020·Granted Sep 7, 2021·2 cites·11 claims
- 0883US7929705B2Method of managing user key for broadcast encryptionSAMSUNG ELECTRONICS CO LTD·Filed 2005·Granted Apr 19, 2011·9 cites·46 claims
- 0980US11115182B2Apparatus for approximately processing encrypted messages and methods thereofCRYPTO LAB INC·Filed 2019·Granted Sep 7, 2021·3 cites·8 claims
- 1076US8255691B2Apparatus for batch verification and method using the sameYI JEONG HYUN·Filed 2007·Granted Aug 28, 2012·7 cites·38 claims
- 1175US9036818B2Private key generation apparatus and method, and storage media storing programs for executing the methodsSAMSUNG SDS CO LTD·Filed 2013·Granted May 19, 2015·4 cites·16 claims
- 1273US12149604B2Practical sorting on large-scale encrypted dataCRYPTO LAB INC·Filed 2020·Granted Nov 19, 2024·1 cites·13 claims
- 1372US11522718B2Methods of generating encryption key and digital signature based on latticesCRYPTO LAB INC·Filed 2020·Granted Dec 6, 2022·1 cites·15 claims
- 1467US10198592B2Method and system for communicating homomorphically encrypted dataSAMSUNG ELECTRONICS CO LTD·Filed 2016·Granted Feb 5, 2019·1 cites·12 claims
- 1566US7970134B2Method for generating, operating, and using a sparse w-NAF key for encryptionSAMSUNG ELECTRONICS CO LTD·Filed 2007·Granted Jun 28, 2011·4 cites·20 claims
- 1666US2025038949A1Practical sorting on large-scale encrypted dataCRYPTO LAB INC·Filed 2024·Application pending·0 cites
- 1765US12452039B2Electronic device for encrypting data by public key and methods thereofCRYPTO LAB INC·Filed 2023·Granted Oct 21, 2025·0 cites·14 claims
- 1865US11239995B2Apparatus for processing approximately encrypted messages and methods thereofCRYPTO LAB INC·Filed 2019·Granted Feb 1, 2022·2 cites·12 claims
- 1965US8078877B2Fast batch verification method and apparatus there-ofCHEON JUNG HEE·Filed 2006·Granted Dec 13, 2011·4 cites·8 claims
- 2064US11930104B2Apparatus and method for generating secret key, apparatus and method for generating evaluation keySAMSUNG SDS CO LTD·Filed 2023·Granted Mar 12, 2024·0 cites·16 claims
- 2164US9219714B2ID-based encryption and signature method and terminalYOON HYO JIN·Filed 2012·Granted Dec 22, 2015·2 cites·47 claims
- 2262US12411970B2Electronic apparatus and method for verifying encrypted dataSEOUL NAT UNIV R&DB FOUNDATION·Filed 2023·Granted Sep 9, 2025·0 cites·15 claims
- 2362US9077536B2Method and apparatus for solving discrete logarithm problem using pre-computation tableCHEON JUNG HEE·Filed 2012·Granted Jul 7, 2015·2 cites·12 claims
- 2459US8160256B2Key calculation method and key agreement method using the sameYI JEONG HYUN·Filed 2007·Granted Apr 17, 2012·2 cites·13 claims
- 2556US2025373421A1Server device for using homomorphic encrypted master key and methods thereofCRYPTO LAB INC·Filed 2025·Application pending·0 cites
- 2655US11646877B2Apparatus and method for generating secret key, apparatus and method for generating evaluation keySAMSUNG SDS CO LTD·Filed 2019·Granted May 9, 2023·0 cites·8 claims
- 2754US12309293B2Apparatus for generating blind signature and method thereofSEOUL NAT UNIV R&DB FOUNDATION·Filed 2023·Granted May 20, 2025·0 cites·15 claims
- 2854USRE45213EMethod of managing user key for broadcast encryptionSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Oct 28, 2014·0 cites·46 claims
- 2954US2024323002A1Electronic device and method for distributing secret keys thereofCRYPTO LAB INC·Filed 2024·Application pending·0 cites
- 3053US12250311B2Identity-based encryption method based on latticesSEOUL NAT UNIV R&DB FOUNDATION·Filed 2024·Granted Mar 11, 2025·0 cites·12 claims
- 3153USRE45191EMethod of managing user key for broadcast encryptionSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Oct 14, 2014·0 cites·51 claims
- 3252US12367404B2Electronic device for searching encrypted data and methods thereofCRYPTO LAB INC·Filed 2024·Granted Jul 22, 2025·0 cites·4 claims
- 3352US11799628B2Apparatus and method for processing non-polynomial operation on encrypted messagesCRYPTO LAB INC·Filed 2019·Granted Oct 24, 2023·0 cites·11 claims
- 3451US12278889B2Electronic apparatus using homomorphic cipher and method thereofCRYPTO LAB INC·Filed 2023·Granted Apr 15, 2025·0 cites·9 claims
- 3551US2023344617A1Apparatus for bootstrap processing homomorphic encrypted message and method thereofCRYPTO LAB INC·Filed 2023·Application pending·0 cites
- 3649US12476945B2Electronic device for performing evaluation of encrypted messages and methods thereofCRYPTO LAB INC·Filed 2023·Granted Nov 18, 2025·0 cites·6 claims
- 3749US2025266984A1Electronic apparatus and performing operations on homomorphic ciphertext and control method thereofCRYPTO LAB INC·Filed 2025·Application pending·0 cites
- 3849US2025139090A1Electronic device and server device responding to encrypted query and methods thereofCRYPTO LAB INC·Filed 2024·Application pending·0 cites
- 3947US12063290B2Operating device and method using multivariate packingCRYPTO LAB INC·Filed 2019·Granted Aug 13, 2024·0 cites·10 claims
- 4047US11329799B2Calculation device for encryption using public key and encryption method thereofCRYPTO LAB INC·Filed 2020·Granted May 10, 2022·0 cites·11 claims
- 4147US11316657B2User device and electronic device for sharing data based on block chain and homomorphic encryption technology and methods thereofCRYPTO LAB INC·Filed 2019·Granted Apr 26, 2022·0 cites·6 claims
- 4246US2025055673A1Electronic device for diagnosing password and methods thereofCRYPTO LAB INC·Filed 2024·Application pending·0 cites
- 4345US11937078B2Mobile device for detecting route overlap and methods thereofCRYPTO LAB INC·Filed 2021·Granted Mar 19, 2024·0 cites·10 claims
- 4444US2023145760A1Method and device for calculating modular productCRYPTO LAB INC·Filed 2021·Application pending·0 cites
- 4543US11201735B2Apparatus for performing threshold design on secret key and method thereofCRYPTO LAB INC·Filed 2020·Granted Dec 14, 2021·0 cites·9 claims
- 4643US2015312028A1Homomorphic encryption and decryption methods using ring isomorphism, and apparatuses using the sameSNU R&DB FOUNDATION·Filed 2013·Application pending·0 cites
- 4742US11563577B2Calculation device for encryption using public key and encryption method thereofCRYPTO LAB INC·Filed 2017·Granted Jan 24, 2023·0 cites·13 claims
- 4839US12015703B2Electronic device for user authentication, server, and control method thereforSAMSUNG ELECTRONICS CO LTD·Filed 2019·Granted Jun 18, 2024·0 cites·8 claims
- 4939US2022092150A1Calculation verification for approximate calculationCRYPTO LAB INC·Filed 2020·Application pending·0 cites
- 5037US2022021535A1Identity-based encryption method based on latticesSEOUL NAT UNIV R&DB FOUNDATION·Filed 2020·Application pending·0 cites
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →