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Right Holder Terminal, Permission Information Management Method, and Permission Information Management Program App 20220014360 - Fujimura; Shigeru ;   et al. | 2022-01-13 |
User Terminal, Permission Information Management Method, and Permission Information Management Program App 20220006624 - Fujimura; Shigeru ;   et al. | 2022-01-06 |
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Blockchain Generation Apparatus, Blockchain Verification Apparatus, and Program App 20210336785 - Watanabe; Hiroki ;   et al. | 2021-10-28 |
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Contract agreement method, agreement verification method, contract agreement system, agreement verification device, contract agreement device, contract agreement program and agreement verification program Grant 10,848,315 - Watanabe , et al. November 24, 2 | 2020-11-24 |
Blockchain generation apparatus, blockchain generation method, blockchain verification apparatus, blockchain verification method, and program Grant 10,790,963 - Watanabe , et al. September 29, 2 | 2020-09-29 |
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Blockchain Generation Apparatus, Blockchain Generation Method, Blockchain Verification Apparatus, Blockchain Verification Method, and Program App 20180323964 - Watanabe; Hiroki ;   et al. | 2018-11-08 |
Permission Information Management System, User Terminal, Right-Holder Terminal, Permission Information Management Method, and Permission Information Management Program App 20180241551 - Fujimura; Shigeru ;   et al. | 2018-08-23 |
Contract Agreement Method, Agreement Verification Method, Contract Agreement System, Agreement Verification Device, Contract Agreement Device, Contract Agreement Program and Agreement Verification Program App 20180205555 - Watanabe; Hiroki ;   et al. | 2018-07-19 |
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Method, system, and apparatus for acquiring information concerning broadcast information Grant 7,712,123 - Miyaoku , et al. May 4, 2 | 2010-05-04 |
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