Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9519246 | Image forming apparatus having image forming units that vary pressure against developer image carrier | — | 2016-12-13 |
| 9063471 | Electrographic image forming apparatus | — | 2015-06-23 |
| 9031464 | Drive transmission device and image formation apparatus | — | 2015-05-12 |
| 9014603 | Driving device and image forming apparatus | — | 2015-04-21 |
| 8200143 | Image forming apparatus with detection unit | — | 2012-06-12 |
| 8032047 | Fixing device and image forming apparatus | Koji Aida | 2011-10-04 |
| 7970296 | Image forming apparatus with developer amount determining unit having rotational period equal to integral multiple of image supporter rotational period | — | 2011-06-28 |
| 7555233 | Fixing device and image forming apparatus | Koji Aida | 2009-06-30 |
| 7020404 | Image forming apparatus with color shift sensors that are shielded from toner | Masahiro Fukuda, Takeshi Asaba, Masanori Maekawa | 2006-03-28 |
| 6546213 | Toner cartridge and image forming apparatus | Junichi Ito, Masanori Maekawa | 2003-04-08 |
| 6152558 | Ink jet printer | Shigemi Togashi | 2000-11-28 |