Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064783 | Image forming apparatus | Tomoya Usui, Shuichi Akedo | 2011-11-22 |
| 7983603 | Toner cartridge, developing device and image forming apparatus allowing accurate control of toner replenish amount | Tomoya Usui, Teruyoshi Sudoh | 2011-07-19 |