Inventor
MIYAZAKI YASUHIKO
JP5 patents
Patents
5 patentsUS10848315B2Nov 24, 2020
Contract agreement method, agreement verification method, contract agreement system, agreement verification device, contract agreement device, contract agreement program and agreement verification program
NIPPON TELEGRAPH & TELEPHONE7 citations82
US10790963B2Sep 29, 2020
Blockchain generation apparatus, blockchain generation method, blockchain verification apparatus, blockchain verification method, and program
NIPPON TELEGRAPH & TELEPHONE2 citations71
US11716199B2Aug 1, 2023
Blockchain generation apparatus, blockchain verification apparatus, and program
NIPPON TELEGRAPH & TELEPHONE0 citations61
US11139972B2Oct 5, 2021
Blockchain generation apparatus, blockchain generation method, blockchain verification apparatus, blockchain verification method, and program
NIPPON TELEGRAPH & TELEPHONE1 citations61
US10275398B2Apr 30, 2019
Content display device, content display method, and content display program
NIPPON TELEGRAPH & TELEPHONE0 citations32