Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10848315 | Contract agreement method, agreement verification method, contract agreement system, agreement verification device, contract agreement device, contract agreement program and agreement verification program | Hiroki Watanabe, Akihito Akutsu, Atsushi Nakadaira, Shigeru Fujimura | 2020-11-24 |
| 10790963 | Blockchain generation apparatus, blockchain generation method, blockchain verification apparatus, blockchain verification method, and program | Hiroki Watanabe, Akihito Akutsu, Atsushi Nakadaira, Shigeru Fujimura, Junichi Kishigami | 2020-09-29 |