Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11188018 | Medium transport device and image forming apparatus | Kentaro Iwamoto, Kiyotoshi Kaneyama, Koichi Sato, Kaoru Matsushita, Hibiki Sasaki +4 more | 2021-11-30 |
| 10248052 | Resistance detection unit and image forming apparatus comprising the same | Daisuke Tanaka | 2019-04-02 |
| 9037041 | Image forming apparatus and transfer device having a rotatable door | Masakazu Shirai, Masatoshi Yamada, Masaaki Tokunaga, Hiroyuki Koide | 2015-05-19 |
| 8774674 | Image forming apparatus and transport guiding device having a smoothly operating door | Masaaki Tokunaga, Masakazu Shirai, Masatoshi Yamada, Hiroyuki Koide | 2014-07-08 |
| 6449446 | Charging device and transfer device | — | 2002-09-10 |
| 6041197 | Charging device | — | 2000-03-21 |
| 5966563 | Electrostatic imaging device having means for removing undesirable particles from a brush charger and transcribing roller | Toshimi Watanabe | 1999-10-12 |
| 5568232 | Image forming apparatus capable of removing toner fragments and shavings from a contact charging device by supplying a voltage to an image carrier to which the fragments and shavings are attracted | — | 1996-10-22 |
| 5479244 | Charger for charging an image holding member included in an image forming apparatus | Hisashi Fukasawa | 1995-12-26 |