Assignee
CRYPTO LAB INC
KR34 patents
Top patents by PatentIndex Score
US10778409B2Sep 15, 2020
Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof
CRYPTO LAB INC16 citations91
US11509454B2Nov 22, 2022
Apparatus for processing modular multiply operation and methods thereof
CRYPTO LAB INC11 citations85
US11101976B2Aug 24, 2021
Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof
CRYPTO LAB INC5 citations81
US11757618B2Sep 12, 2023
Apparatus for processing non-polynomial operation on homomorphic encrypted messages and methods thereof
CRYPTO LAB INC2 citations70
US11115183B2Sep 7, 2021
Terminal device performing homomorphic encryption, server device processing ciphertext and methods thereof
CRYPTO LAB INC2 citations70
US11115182B2Sep 7, 2021
Apparatus for approximately processing encrypted messages and methods thereof
CRYPTO LAB INC3 citations70
US10924262B2Feb 16, 2021
Method for processing dynamic data by fully homomorphic encryption method
CRYPTO LAB INC4 citations68
US11239995B2Feb 1, 2022
Apparatus for processing approximately encrypted messages and methods thereof
CRYPTO LAB INC2 citations62
US11799628B2Oct 24, 2023
Apparatus and method for processing non-polynomial operation on encrypted messages
CRYPTO LAB INC0 citations60
US12348609B2Jul 1, 2025
Apparatus for processing homomorphic encrypted messages and method thereof
CRYPTO LAB INC1 citations57
US12149604B2Nov 19, 2024
Practical sorting on large-scale encrypted data
CRYPTO LAB INC1 citations57
US11522718B2Dec 6, 2022
Methods of generating encryption key and digital signature based on lattices
CRYPTO LAB INC1 citations56
US12063290B2Aug 13, 2024
Operating device and method using multivariate packing
CRYPTO LAB INC0 citations55
US11201735B2Dec 14, 2021
Apparatus for performing threshold design on secret key and method thereof
CRYPTO LAB INC0 citations55
US11750367B2Sep 5, 2023
Simulation device and method for homomorphic cryptosystem
CRYPTO LAB INC1 citations54
US12531725B2Jan 20, 2026
Electronic device for generating password and methods thereof
CRYPTO LAB INC0 citations52
US12452039B2Oct 21, 2025
Electronic device for encrypting data by public key and methods thereof
CRYPTO LAB INC0 citations52
US11316657B2Apr 26, 2022
User device and electronic device for sharing data based on block chain and homomorphic encryption technology and methods thereof
CRYPTO LAB INC0 citations52
US12574238B2Mar 10, 2026
Electronic device and controlling method for increasing an operation speed of homomorphic encrypted data
CRYPTO LAB INC0 citations51
US12542651B2Feb 3, 2026
Method for processing homomorphic encryption and electronic apparatus
CRYPTO LAB INC0 citations51
US11563577B2Jan 24, 2023
Calculation device for encryption using public key and encryption method thereof
CRYPTO LAB INC0 citations51
US11329799B2May 10, 2022
Calculation device for encryption using public key and encryption method thereof
CRYPTO LAB INC0 citations51
US12549363B2Feb 10, 2026
Encoding or decoding for approximate encrypted ciphertext
CRYPTO LAB INC0 citations49
US12362906B2Jul 15, 2025
Apparatus for privacy preserving text search using homomorphic encryption and method thereof
CRYPTO LAB INC0 citations49
US12278889B2Apr 15, 2025
Electronic apparatus using homomorphic cipher and method thereof
CRYPTO LAB INC0 citations47
US12587358B2Mar 24, 2026
Apparatus for homomorphic encryption of categorical data and method for thereof
CRYPTO LAB INC0 citations46
US11032273B2Jun 8, 2021
Method for authenticating secret information which protects secret information
CRYPTO LAB INC0 citations46
US12367404B2Jul 22, 2025
Electronic device for searching encrypted data and methods thereof
CRYPTO LAB INC0 citations45
US11937078B2Mar 19, 2024
Mobile device for detecting route overlap and methods thereof
CRYPTO LAB INC0 citations45
US12519613B2Jan 6, 2026
Apparatus for calculating matrix multiplication of homomorphic encryption and method thereof
CRYPTO LAB INC0 citations44
US12476945B2Nov 18, 2025
Electronic device for performing evaluation of encrypted messages and methods thereof
CRYPTO LAB INC0 citations42
US12476815B2Nov 18, 2025
Server and method for identifying target user thereof
CRYPTO LAB INC0 citations42
US12542649B2Feb 3, 2026
Electronic apparatus for generating homomorphic encrypted message and method therefor
CRYPTO LAB INC0 citations41
US12413415B2Sep 9, 2025
Electronic device that performs user authentication using homomorphic encryption and control method thereof
CRYPTO LAB INC0 citations40