Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625874 | Pressing mechanism for a developing cartridge | Yoshiya Tomatsu, Atsushi Hayakawa | 2017-04-18 |
| 9037037 | Pressing mechanism for a developing cartridge | Yoshiya Tomatsu, Atsushi Hayakawa | 2015-05-19 |
| 8781360 | Image forming apparatus having a cover and a pressing mechanism for pressing a developing cartridge when closing the cover | Yoshiya Tomatsu, Atsushi Hayakawa | 2014-07-15 |
| 8676092 | Image-forming device having mechanism for separating developing rollers from photosensitive drums | Yasushi Okabe | 2014-03-18 |
| 8346133 | Image-forming device having mechanism for separating developing rollers from photosensitive drums | Yasushi Okabe | 2013-01-01 |
| 8032049 | Image forming device with duct | Tomitake Aratachi | 2011-10-04 |
| 7986906 | Image-forming device having mechanism for separating developing rollers from photosensitive drums | Yasushi Okabe | 2011-07-26 |
| 7792464 | Image-forming device having mechanism for separating developing rollers from photosensitive drums | Yasushi Okabe | 2010-09-07 |
| 7526232 | Image forming apparatus and drive unit of image forming unit | Naoya Kamimura | 2009-04-28 |
| 7444103 | Image-forming device and developing unit used therein | Yasushi Okabe, Naoya Kamimura | 2008-10-28 |