Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9143651 | Image forming apparatus, charging information recording method, and recording medium | — | 2015-09-22 |
| 9141978 | Billing management system, image forming apparatus, billing management apparatus, billing information recording method, and storage medium | — | 2015-09-22 |
| 8902475 | Image forming apparatus, image processing method, and image processing system | — | 2014-12-02 |
| 8561160 | Authentication system, image forming apparatus, and authentication server | — | 2013-10-15 |
| 8400648 | Image forming apparatus, authentication method, and program | Jongsook Eun | 2013-03-19 |
| 8275679 | Billing management system, image forming apparatus, billing management apparatus, billing information recording method, and storage medium | — | 2012-09-25 |
| 7693019 | Information recording device, method of controlling recording operation of said device, and program for controlling recording operation of said device | — | 2010-04-06 |