Issued Patents All Time
Showing 1–25 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10466624 | Toner cartridge and image forming apparatus | KEIZOH KITAMURA | 2019-11-05 |
| 9992369 | Image forming apparatus having display section displaying environmental certification information during startup and being foldable into a generally flush accommodated state | Hisashi Kunihiro, Hitoshi Nagahama | 2018-06-05 |
| 9291988 | Image forming apparatus including cartridge position detector | Eiji Tenjiku, Hisashi Kunihiro, Hitoshi Nagahama | 2016-03-22 |
| 9152967 | Image forming apparatus, consumables ordering system and consumables ordering method | Hisashi Kunihiro, Hitoshi Nagahama | 2015-10-06 |
| 8731441 | Charging roller and image forming apparatus | Hitoshi Nagahama | 2014-05-20 |
| 8730494 | Image forming apparatus including display device | Hisashi Kunihiro, Hitoshi Nagahama | 2014-05-20 |
| 8724129 | Image forming apparatus, system for ordering optional device, and method for ordering optional device | Hisashi Kunihiro, Hitoshi Nagahama | 2014-05-13 |
| 8532523 | Toner cartridge having a toner flowing-out preventing member and image forming apparatus using the same | Koichi Mihara | 2013-09-10 |
| 8417160 | Toner cartridge including a toner flowing-out preventing valve | Koichi Mihara | 2013-04-09 |
| 8412077 | Developing device and image forming apparatus using the same | Koichi Mihara | 2013-04-02 |
| 8270882 | Developing device and image forming apparatus using the same | Koichi Mihara | 2012-09-18 |
| 8238797 | Toner cartridge and image forming apparatus using the same | Koichi Mihara | 2012-08-07 |
| 8099014 | Image forming apparatus | Hiroshi Kawahito, Masanobu Deguchi | 2012-01-17 |
| 8095049 | Toner cartridge and image forming apparatus using the same | Koichi Mihara | 2012-01-10 |
| 7925182 | Image forming apparatus | Hiroshi Tanisawa, Hiroshi Kawahito | 2011-04-12 |
| 7860432 | Toner conveyance unit and image forming apparatus | Takeshi Okuda, Takeshi Wakabayashi | 2010-12-28 |
| 7805096 | Toner conveying device, toner supply device and image forming apparatus using these | Takeshi Okuda, Takeshi Wakabayashi, Jun Yamaguchi, Hiroshi Kawahito | 2010-09-28 |
| 7756450 | Toner transport device and image forming apparatus | Hideaki Kurimoto, Mitsuhiro Murata | 2010-07-13 |
| 7627274 | Toner conveying device, toner supply device and image forming apparatus using these | Takeshi Okuda, Takeshi Wakabayashi, Jun Yamaguchi, Hiroshi Kawahito | 2009-12-01 |
| 7542704 | Toner carrier apparatus, toner feeding apparatus, and image forming apparatus | Takeshi Okuda, Takeshi Wakabayashi, Jun Yamaguchi, Hiroshi Kawahito | 2009-06-02 |
| 7526236 | Waste developer collecting device, image forming apparatus, and waste developer collecting method | Hiroshi Kubota, Koichi Mihara | 2009-04-28 |
| 7505711 | Waste developer collecting device and image forming apparatus provided therewith | Yuhsuke Yoshimoto, Hiroshi Kubota, Hiroshi Kawahito, Jun Yamaguchi | 2009-03-17 |
| 7502576 | Development apparatus for mixing recycled developer with toner in a toner supply path and image forming apparatus having same | Hiroshi Kubota, Takeshi Takayama, Jun Yamaguchi, Hiroshi Kawahito, Yuhsuke Yoshimoto | 2009-03-10 |
| 7440717 | Developing apparatus and image forming apparatus with toner supply portion opening/closing mechanism | Hiroshi Kubota, Jun Yamaguchi, Hiroshi Kawahito, Yusuke Yoshimoto | 2008-10-21 |
| 7395015 | Toner transport device, toner supply device, and image forming apparatus | Hiroshi Kubota, Koichi Mihara | 2008-07-01 |