Inventor
KINJO KOHA
JP5 patents
Patents
5 patentsUS11316676B2Apr 26, 2022
Quantum-proof multiparty key exchange system, quantum-proof multiparty terminal device, quantum-proof multiparty key exchange method, program, and recording medium
NIPPON TELEGRAPH & TELEPHONE13 citations81
US12095927B2Sep 17, 2024
Signature verification system, verification key management apparatus, verification key management method and program
NIPPON TELEGRAPH & TELEPHONE0 citations49
US12039527B2Jul 16, 2024
Service providing system, service providing device, service providing method, and service providing program
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11900735B2Feb 13, 2024
Voting system, vote relay server, client terminal, voting method, advertisement distribution system, and program
NIPPON TELEGRAPH & TELEPHONE0 citations49
US11783377B2Oct 10, 2023
Communication system, communication apparatus, communication method, program and advertisement communication system
NIPPON TELEGRAPH & TELEPHONE0 citations49