Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875264 | System, method and program for off-line two-factor user authentication | Toru Takano, Tsuyoshi Kobayashi | 2014-10-28 |
| 8752147 | System and method for two-factor user authentication | Toru Takano, Tsuyoshi Kobayashi | 2014-06-10 |
| 8209746 | Content presentation-type authentication system | Toru Takano, Shigeo Akutsu | 2012-06-26 |
| 7984491 | System, method and program for off-line user authentication | Yukiya Ueda, Tsugune Saito | 2011-07-19 |
| 7945948 | System, method and program for off-line user authentication | Yukiya Ueda, Tsugune Saito | 2011-05-17 |
| 7409705 | System and method for user authentication | Yukiya Ueda, Tsugune Saito | 2008-08-05 |