Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8712262 | Image forming apparatus with static elimination | Takahiro Sasai, Shu Ikezaki | 2014-04-29 |
| 8412059 | Image forming device and image forming method | Takaaki Kamei | 2013-04-02 |
| 7953715 | File processing device, file transmission device, and corresponding methods | — | 2011-05-31 |
| 7664409 | Image forming device | Takahiro Sasai | 2010-02-16 |
| 6950614 | Image forming device and method that controls agitation based on detected toner amount | — | 2005-09-27 |
| 6917768 | Image forming device and method that sets a voltage level based on toner amount and impresses the voltage to a developing roller, supply roller and regulating blade | — | 2005-07-12 |
| 5659853 | Electrically charging method and electrically charging device used therefor | Masanori Matsuda, Eiji Goto, Hironaga Iida, Masahiro Shirai | 1997-08-19 |
| 5485344 | Method of contact-charging the surface of a photosensitive material | Shoji Matsumoto, Masanori Matsuda, Eiji Goto, Takeshi Hori | 1996-01-16 |
| 5483323 | Electrophotographic apparatus utilizing a hollow roller changing mechanism | Masanori Matsuda, Eiji Gotoh | 1996-01-09 |
| 5446615 | Electrifying method and electrifying apparatus used therefor | Shoji Matsumoto, Masanori Matsuda, Eiji Goto, Teruaki Higashiguchi, Isao Iwagawa | 1995-08-29 |