Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10805094 | Blockchain timestamp agreement | Sachiko Yoshihama, Yohei Ueda, Kohichi Kamijoh, Hiroaki Nakamura | 2020-10-13 |
| 10608829 | Blockchain timestamp agreement | Sachiko Yoshihama, Yohei Ueda, Kohichi Kamijoh, Hiroaki Nakamura | 2020-03-31 |