Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406640 | Toner cartridge and control method of displaying the residual toner quantity in the same toner cartridge | Kenichi Nagata | 2013-03-26 |
| 8233811 | Image stabilizing apparatus and image forming apparatus | Motoyuki Itoyama, Syouichi Fujita, Mitsuhiro Murata, Masaya Fujitani | 2012-07-31 |
| 7706725 | Full-color image forming apparatus having variable power light source | Shigeyuki Wakada, Hitoshi Nagahama | 2010-04-27 |
| 7489890 | Color image forming apparatus with differing toner time constants | Takahiro Bitoh, Hitoshi Nagahama | 2009-02-10 |