Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11269281 | Image carrier, image carrier unit, and image formation apparatus | — | 2022-03-08 |
| 9280078 | Charging device, image forming unit and image forming apparatus | — | 2016-03-08 |
| 9128404 | Image formation unit and image formation apparatus | — | 2015-09-08 |
| 8897674 | Charge member, charge device and image forming apparatus | — | 2014-11-25 |
| 7933533 | Charging device having charging roller with specific characteristic and image forming apparatus | — | 2011-04-26 |
| 7483652 | Image forming apparatus and charging method having gap holding members | — | 2009-01-27 |