Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7693440 | Image forming apparatus for forming image with fixing device power supply control method for controlling the image forming apparatus and power supply control program for controlling the image forming apparatus | Naoki Sato, Masahide Nakaya, Keiichi Sugai | 2010-04-06 |
| 7269368 | Image forming apparatus for forming image with fixing member, power supply control method for controlling the image forming apparatus, and power supply control program for controlling the image forming apparatus | Naoki Sato, Masahide Nakaya, Keiichi Sugai | 2007-09-11 |
| 7236714 | Power source control apparatus, and power source control method | Naoki Sato, Masahide Nakaya, Keiichi Sugai | 2007-06-26 |
| 7127189 | Heating unit, auxiliary power unit, fixing unit, and image forming apparatus | Ryo Takamatsu, Naoki Sato, Yuusuke Ishizaki, Masahide Nakaya, Keiichi Sugai | 2006-10-24 |
| 6977362 | Induction heating device with a switching power source and image processing apparatus using the same | Masae Sugawara | 2005-12-20 |
| 6845018 | Power circuit and method for controlling drive and control voltages of an image formation apparatus | — | 2005-01-18 |
| 6806448 | Induction heating device with a switching power source and image processing apparatus using the same | Masae Sugawara | 2004-10-19 |
| 6630651 | Induction heating device with a switching power source and image processing apparatus using the same | Masae Sugawara | 2003-10-07 |
| 6531689 | Fixing device using an inverter circuit for induction heating | Jiro Oouchi | 2003-03-11 |