Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165567 | Permission information management system, and permission information management method | Shigeru Fujimura, Akihito Akutsu, Tomokazu Yamada, Junichi Kishigami | 2021-11-02 |
| 11139972 | Blockchain generation apparatus, blockchain generation method, blockchain verification apparatus, blockchain verification method, and program | Hiroki Watanabe, Akihito Akutsu, Yasuhiko Miyazaki, Shigeru Fujimura, Junichi Kishigami | 2021-10-05 |