Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10101704 | Image forming apparatus | — | 2018-10-16 |
| 9703252 | Power supply controlling device, power supply device, image forming apparatus, and power supply controlling method | Yuuto Hakamada, Jyunya Sakuraba | 2017-07-11 |
| 9465348 | Power supply device, image forming apparatus, and voltage output method | Tomonori Maekawa, Tomokazu Takeuchi, Katsuhito Suzuki, Shohgo Miura | 2016-10-11 |
| 9400475 | Power supply device to selectively output power and transfer device to transfer a toner image to a sheet | Katsuhito Suzuki, Tomokazu Takeuchi, Shinya Tanaka | 2016-07-26 |
| 9213297 | Image forming apparatus | Naoki Sato, Hideo Kikuchi | 2015-12-15 |
| 9031480 | Transfer device including a selectively outputting power supply, image forming apparatus including the same, and method of transferring developer to sheet | Katsuhito Suzuki, Tomokazu Takeuchi, Shinya Tanaka | 2015-05-12 |
| 8909079 | Image forming apparatus | Shinji Aoki, Haruo Iimura, Yasuhiko Ogino, Keigo Nakamura, Tomokazu Takeuchi | 2014-12-09 |
| 8818221 | Transfer device and image forming apparatus | Yasuhiko Ogino, Haruo Iimura, Shinji Aoki, Keigo Nakamura, Tomokazu Takeuchi +1 more | 2014-08-26 |
| 8736861 | Image forming apparatus | Naoki Sato, Hideo Kikuchi | 2014-05-27 |
| 8266462 | Image forming apparatus including a boosting-step-down transformer and power control method | — | 2012-09-11 |
| 7913098 | Image forming apparatus and power control method | — | 2011-03-22 |
| 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, Hiroto Ohishi, Keiichi Sugai | 2010-04-06 |
| 7579716 | Power storage device and image forming apparatus | Naoki Sato, Masayuki Ohtani, Hideo Kikuchi | 2009-08-25 |
| 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, Hiroto Ohishi, Keiichi Sugai | 2007-09-11 |
| 7236714 | Power source control apparatus, and power source control method | Naoki Sato, Hiroto Ohishi, Keiichi Sugai | 2007-06-26 |
| 7127189 | Heating unit, auxiliary power unit, fixing unit, and image forming apparatus | Ryo Takamatsu, Naoki Sato, Yuusuke Ishizaki, Hiroto Ohishi, Keiichi Sugai | 2006-10-24 |
| 7106988 | Image forming apparatus capable of shortening start up time of fixing device | — | 2006-09-12 |
| 6978098 | Power supply control apparatus and electric device | — | 2005-12-20 |
| 6931220 | Image forming apparatus capable of shortening start up time of fixing device | — | 2005-08-16 |
| 6701103 | Power supply control apparatus and image formation apparatus | — | 2004-03-02 |
| 6674980 | Image forming apparatus capable of shortening start up time of fixing device | — | 2004-01-06 |
| 6405000 | Image forming apparatus and starting-up method | — | 2002-06-11 |
| 5673187 | Power supply system | Atsuo Tokunaga | 1997-09-30 |
| 5142329 | Method and apparatus for positioning a corona discharger | — | 1992-08-25 |
| 5132869 | Control circuitry for an image forming apparatus | — | 1992-07-21 |