Homomorphic encryption device and ciphertext arithmetic method thereof Grant US-11483128-B2 United States of America 25 Oct 2022
HOMOMORPHIC ENCRYPTION DEVICE AND OPERATING METHOD THEREOF Application EP-3975471-A1 European Patent Office 30 Mar 2022
HOMOMORPHIC ENCRYPTION DEVICE AND CIPHERTEXT ARITHMETIC METHOD THEREOF Application EP-3917067-A1 European Patent Office 01 Dec 2021
SEARCHABLE CRYPTOGRAPH PROCESSING SYSTEM Application EP-3343829-A4 European Patent Office 06 Feb 2019