Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9439070 | User authentication system | Masaaki Yoshikawa | 2016-09-06 |
| 9378358 | Password management system | — | 2016-06-28 |
| 8990296 | Server check system and server check apparatus | — | 2015-03-24 |
| 8966604 | Method of preventing sequential unauthorized logins | — | 2015-02-24 |