Patent | Date |
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Process cartridge and image forming apparatus Grant 11,137,717 - Yoshimoto October 5, 2 | 2021-10-05 |
Process cartridge and image forming apparatus Grant 11,086,269 - Yoshimoto August 10, 2 | 2021-08-10 |
Process Cartridge And Image Forming Apparatus App 20210116861 - YOSHIMOTO; YUHSUKE | 2021-04-22 |
Cleaning device having function that restricts movement range of cleaning blade and image forming apparatus having cleaning device Grant 10,955,789 - Yoshimoto March 23, 2 | 2021-03-23 |
Process Cartridge And Image Forming Apparatus App 20200264556 - YOSHIMOTO; YUHSUKE | 2020-08-20 |
Cleaning Device And Image Forming Apparatus App 20200159160 - YOSHIMOTO; YUHSUKE | 2020-05-21 |
Corona discharge device and image formation apparatus including the same Grant 10,444,653 - Yoshikawa , et al. Oc | 2019-10-15 |
Corona Discharge Device And Image Formation Apparatus Including The Same App 20190004444 - YOSHIKAWA; Yoshihiro ;   et al. | 2019-01-03 |
Corona discharge device and image formation apparatus including the same Grant 10,088,769 - Yoshikawa , et al. October 2, 2 | 2018-10-02 |
Electrifier cleaning mechanism and image forming apparatus Grant 10,036,994 - Nishiyama , et al. July 31, 2 | 2018-07-31 |
Process unit and image forming apparatus provided with the same Grant 10,036,997 - Yoshikawa , et al. July 31, 2 | 2018-07-31 |
Process Unit And Image Forming Apparatus Provided With The Same App 20180120762 - YOSHIKAWA; Yoshihiro ;   et al. | 2018-05-03 |
Process unit and image forming apparatus provided with the same Grant 9,891,582 - Yoshikawa , et al. February 13, 2 | 2018-02-13 |
Corona Discharge Device And Image Formation Apparatus Including The Same App 20170343917 - YOSHIKAWA; Yoshihiro ;   et al. | 2017-11-30 |
Electrifier Cleaning Mechanism And Image Forming Apparatus App 20170329276 - NISHIYAMA; Takeshi ;   et al. | 2017-11-16 |
Process Unit And Image Forming Apparatus Provided With The Same App 20170090404 - YOSHIKAWA; Yoshihiro ;   et al. | 2017-03-30 |
Developing Device And Image Forming Apparatus App 20150086247 - YOSHIMOTO; Yuhsuke | 2015-03-26 |
Toner cartridge and image forming apparatus Grant 8,155,569 - Yoshikawa , et al. April 10, 2 | 2012-04-10 |
Toner feed unit with shutter assembly and image forming apparatus equipped with the same Grant 8,155,566 - Yoshikawa , et al. April 10, 2 | 2012-04-10 |
Toner carrying device and image forming apparatus Grant 8,078,087 - Yoshimoto , et al. December 13, 2 | 2011-12-13 |
Image forming apparatus Grant 8,068,771 - Yoshimoto November 29, 2 | 2011-11-29 |
Toner Feed Unit And Image Forming Apparatus Equipped With The Same App 20100054816 - YOSHIKAWA; Yoshihiro ;   et al. | 2010-03-04 |
Toner Cartridge And Image Forming Apparatus App 20090162107 - YOSHIKAWA; Yoshihiro ;   et al. | 2009-06-25 |
Image Forming Apparatus App 20090162108 - Yoshimoto; Yuhsuke | 2009-06-25 |
Toner Carrying Device And Image Forming Apparatus App 20090129824 - Yoshimoto; Yuhsuke ;   et al. | 2009-05-21 |
Waste developer collecting device and image forming apparatus provided therewith Grant 7,505,711 - Yoshimoto , et al. March 17, 2 | 2009-03-17 |
Development apparatus for mixing recycled developer with toner in a toner supply path and image forming apparatus having same Grant 7,502,576 - Kubota , et al. March 10, 2 | 2009-03-10 |
Waste developer collecting device and image forming apparatus provided therewith App 20060083552 - Yoshimoto; Yuhsuke ;   et al. | 2006-04-20 |
Development apparatus and image forming apparatus App 20060078354 - Kubota; Hiroshi ;   et al. | 2006-04-13 |