Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9225523 | Authentication system and authentication method | Mitsumasa Date | 2015-12-29 |
| 8886928 | Method and system for device authentication | Mitsuru Tada | 2014-11-11 |
| 8290875 | Authentication system and authentication method | Mitsumasa Date | 2012-10-16 |
| 8060918 | Method and system for verifying identity | Tomokazu Takagawa | 2011-11-15 |