Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069237 | Network system, information management server, and information management method | Naoki Yamada, Fumio Kitagawa | 2011-11-29 |
| 7950050 | Authentication system, authentication-service-providing device, authentication-service-providing method, and computer-readable medium | Ryuichi Aoki | 2011-05-24 |