Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8405357 | Battery unit, battery system, electronic device, charging control method of battery, and discharging control method of battery | Mitsuo Saeki, Kouichi Matsuda, Akira Takeuchi | 2013-03-26 |
| 8326174 | Cleaning unit for an electrophotographic image forming apparatus having a polarity control member | Osamu Naruse, Kenji Sugiura, Naomi Sugimoto, Hiroki Nakamatsu | 2012-12-04 |
| 8320815 | Image forming device configured to control a carrying speed of a recording medium | Sachiko Yano | 2012-11-27 |
| 8280295 | Cleaning device, image forming apparatus including the device, and process cartridge including the device | Osamu Naruse, Naomi Sugimoto, Kenji Sugiura, Yasuyuki Yamashita | 2012-10-02 |
| 8190077 | Cleaning device and image forming apparatus | Osamu Naruse, Kenji Sugiura, Naomi Sugimoto, Hiroki Nakamatsu | 2012-05-29 |
| 8041281 | Cleaning device, image forming apparatus, and process cartridge | Naomi Sugimoto, Kenji Sugiura, Osamu Naruse, Yasuyuki Yamashita | 2011-10-18 |
| 8019268 | Polarity controlling device, and cleaner and image forming apparatus using the polarity controlling device | Hiroki Nakamatsu, Kenji Sugiura, Naomi Sugimoto, Osamu Naruse | 2011-09-13 |
| 7995948 | Image forming device having side cover with inclined surface | Keiichiro Egami, Yusuke Nakata, Kayo Hasui | 2011-08-09 |
| 7929897 | Cleaning unit, process cartridge, and image forming apparatus using the same | Naomi Sugimoto, Kenji Sugiura, Osamu Naruse, Yasuyuki Yamashita | 2011-04-19 |
| 7925181 | Image forming apparatus | Yoshiteru Hattori, Wei-Ming Wang, Atsuhisa Nakashima | 2011-04-12 |
| 7903995 | Cleaning device, image forming apparatus, and process cartridge | Hiroki Nakamatsu, Kenji Sugiura, Naomi Sugimoto, Osamu Naruse | 2011-03-08 |
| 7873298 | Cleaning device, process cartridge, and image forming apparatus | Yasuyuki Yamashita, Oasamu Naruse, Naomi Sugimoto, Kenji Sugiura | 2011-01-18 |
| 7817926 | Image forming apparatus and optional sheet feeding device | — | 2010-10-19 |
| 7817954 | Cleaning unit, image carrier unit including same, and image forming apparatus including same | Osamu Naruse, Naomi Sugimoto, Kenji Sugiura, Hiroki Nakamatsu | 2010-10-19 |
| 7809321 | Cleaning device, process cartridge and image forming apparatus | Osamu Naruse, Kenji Sugiura, Naomi Sugimoto, Yasayuki Yamashita | 2010-10-05 |
| 7731172 | Transport device and image-formation device | — | 2010-06-08 |
| 7708263 | Image forming apparatus | Atsushi Miwa | 2010-05-04 |
| 7620357 | Image forming apparatus with obtuse-edge cleaning blade | Masahiko Shakuto, Osamu Naruse, Kazuhiko Watanabe | 2009-11-17 |
| 7610008 | Cleaning device, and process unit and image forming apparatus including the cleaning device | Kazuhiko Watanabe, Osamu Naruse, Masahiko Shakuto | 2009-10-27 |
| 7590370 | Image forming apparatus having openings and a cover | — | 2009-09-15 |
| 7515867 | Image formation apparatus and sheet conveyance apparatus | — | 2009-04-07 |
| 7450878 | Image forming apparatus having a process cartridge for receiving power from a power supplying member | — | 2008-11-11 |
| 7400338 | Image forming apparatus with temperature detection | — | 2008-07-15 |
| 7369807 | Cleaner, and process cartridge and image forming apparatus using the cleaner | Osamu Naruse, Masahiko Shakuto, Kazuhiko Watanabe | 2008-05-06 |
| 7266325 | Image forming device capable of aligning a plurality of covers | Atsuo Hirose, Yoshiyuki Ito, Sakae Ito | 2007-09-04 |