Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10749424 | Switching power supply | Shiro Ueno | 2020-08-18 |
| 9509219 | Power supply system, image forming apparatus having the power supply system, and control method of the power supply system | Katsumi Inukai | 2016-11-29 |
| 9037010 | Heating device and image forming apparatus including error processing | — | 2015-05-19 |
| 8270861 | Image forming apparatus and exposure control method of controlling exposure therein | Masamitsu Takahashi | 2012-09-18 |
| 8165480 | Image forming apparatus with image carrier deterioration detection | Masahito Hamaya | 2012-04-24 |
| 8155545 | Image forming apparatus and charge-voltage generating method | — | 2012-04-10 |
| 8050588 | Image forming apparatus with low voltage power supply | Katsumi Inukai, Junji Uehara | 2011-11-01 |
| 7933525 | Image forming apparatus including a cleaning device | Masahito Hamaya, Kazushi Fukuta | 2011-04-26 |
| 7813658 | Image forming apparatus | Masahito Hamaya | 2010-10-12 |
| 7764889 | Image-forming device | Masahito Hamaya, Katsumi Inukai, Kazushi Fukuta | 2010-07-27 |
| 7499292 | Power device and power adjusting method | Katsumi Inukai | 2009-03-03 |