Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8055031 | Authentication device | Eisuke Asano | 2011-11-08 |
| 7941832 | Authentication device, authentication system, and verification method for authentication device | Tatsumi Tsutsui, Mitsutoshi Himaga | 2011-05-10 |