Inventor
TAMIYA HIROTO
JP15 patents
Patents
15 patentsUS12120229B2Oct 15, 2024
Encryption system, function value calculation method, and program
NEC CORP2 citations70
US11849019B2Dec 19, 2023
Encryption system, key generation apparatus, key generation method, key generation program, and homomorphic operation apparatus
NEC CORP3 citations70
US12591648B2Mar 31, 2026
Biometric authentication system, template updating method therefor, storage medium, biometric authentication client device, and biometric authentication server device
NEC CORP0 citations61
US12375264B2Jul 29, 2025
Information concealing control apparatus, information concealing apparatus, information reconfiguration control apparatus, information reconfiguring apparatus, information concealing system, information concealing control method, information reconfiguration control method, information concealing control program, and information reconfiguration control program
NEC CORP0 citations61
US12199638B2Jan 14, 2025
Information concealing apparatus, information reconfiguring apparatus, information concealing system, information concealing method, information reconfiguring method, information concealing program, and information reconfiguring program
NEC CORP0 citations61
US12463793B2Nov 4, 2025
Authentication system, authenticatee apparatus, authenticator apparatus, authentication method, and authentication program
NEC CORP0 citations60
US12411922B2Sep 9, 2025
System for cancelable biometric feature data generation
NEC CORP0 citations50
US12242644B2Mar 4, 2025
Collation system, client terminal, server apparatus, collation method, and program
NEC CORP0 citations50
US12278909B2Apr 15, 2025
Signature verification system, signature apparatus, signature verification method, and program
NEC CORP0 citations49
US12200147B2Jan 14, 2025
Collation system, client, and server
NEC CORP0 citations49
US12155769B2Nov 26, 2024
Information matching system and information matching method
NEC CORP0 citations49
US12143482B2Nov 12, 2024
Information matching system and information matching method
NEC CORP0 citations49
US12063293B2Aug 13, 2024
Collation system, client and server
NEC CORP0 citations49
US12598057B2Apr 7, 2026
Similarity calculation system, similarity calculation apparatus, similarity calculation method, and similarity calculation program
NEC CORP0 citations47
US12489619B2Dec 2, 2025
Terminal apparatus, encrypted information transformation apparatus, collation system, input information encryption method, encrypted information transformation method, collation method, input information encryption program, and encrypted information transformation program
NEC CORP0 citations47