Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000621 | Image forming apparatus | — | 2011-08-16 |
| 8001396 | Feedback control device | Masahito Hamaya | 2011-08-16 |
| 7916162 | Light output device and image forming apparatus including the light output device | — | 2011-03-29 |
| 7877035 | Electronic device and image forming apparatus | — | 2011-01-25 |
| 7809293 | Image forming apparatus and method of checking for disconnections between voltage generating circuits and electrodes thereof | — | 2010-10-05 |
| 7764510 | Electronic apparatus | Akihiro Shibasaki, Tasuku Sugimoto | 2010-07-27 |
| 7764889 | Image-forming device | Masahito Hamaya, Hiroyuki Naganawa, Kazushi Fukuta | 2010-07-27 |
| 7693010 | Optical beam control device and image-forming device including the same | — | 2010-04-06 |
| 7689134 | Image forming apparatus having a unit for detecting a contact state with an image forming cartridge | — | 2010-03-30 |
| 7620335 | Image forming apparatus | — | 2009-11-17 |
| 7499292 | Power device and power adjusting method | Hiroyuki Naganawa | 2009-03-03 |
| 7409167 | Image-forming device capable of performing self-diagnosis using inspection cartridge in place of process cartridge | — | 2008-08-05 |
| 7362591 | Power supply device and image forming apparatus | — | 2008-04-22 |
| 7336507 | Power supply outputting multiple voltages | — | 2008-02-26 |
| 7295789 | Heating unit and image formation apparatus | — | 2007-11-13 |
| 7266318 | Image-forming device that performs transfer condition control | — | 2007-09-04 |
| 7139012 | Image forming device having multiple laser beam sources | — | 2006-11-21 |
| 6963701 | Image forming device with bias applying power source for transfer roller | — | 2005-11-08 |
| 6882454 | Multi-beam scanner | — | 2005-04-19 |
| 6829445 | Image forming apparatus having a cleaning mechanism for cleaning a photosensitive member | — | 2004-12-07 |
| 6650861 | Electrophotographic image forming apparatus | Hideaki Deguchi | 2003-11-18 |
| 6259073 | Temperature control device for controlling temperature of heat roller used in image forming device | — | 2001-07-10 |
| 6097006 | Fixing unit for use in image forming device | — | 2000-08-01 |
| 6064124 | Power supplying apparatus for use in an image forming apparatus | — | 2000-05-16 |
| 5903183 | Constant voltage circuit and constant voltage/constant current changeover circuit | — | 1999-05-11 |