Yamazaki; Ryuya
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamazaki; Ryuya.The latest application filed is for "developing cartridge provided with cover".
Company Profile
5.62.56
- Yamazaki; Ryuya - Nagoya-shi JP
- Yamazaki; Ryuya - Nagoya JP
- Yamazaki; Ryuya - Aichi N/A JP
Patent Activity
| Patent | Date |
|---|---|
| Developing Cartridge Provided with Cover App 20210405581 - Itabashi; Nao ; et al. | 2021-12-30 |
| Developing Cartridge Provided with Cover App 20210405580 - Itabashi; Nao ; et al. | 2021-12-30 |
| Developing Cartridge Provided with Cover App 20210223737 - Itabashi; Nao ; et al. | 2021-07-22 |
| Developing cartridge provided with cover Grant 10,901,361 - Itabashi , et al. January 26, 2 | 2021-01-26 |
| Developing Cartridge Provided with Cover App 20200225613 - Itabashi; Nao ; et al. | 2020-07-16 |
| Developing cartridge provided with cover Grant 10,620,580 - Itabashi , et al. | 2020-04-14 |
| Developing Cartridge Provided with Cover App 20190332052 - Itabashi; Nao ; et al. | 2019-10-31 |
| Developing cartridge provided with cover Grant 10,303,112 - Itabashi , et al. | 2019-05-28 |
| Image forming apparatus and drum unit thereof provided with drum cleaner Grant 10,228,650 - Hashimoto , et al. | 2019-03-12 |
| Developing Cartridge Provided with Cover App 20180321632 - Itabashi; Nao ; et al. | 2018-11-08 |
| Drum unit Grant 10,061,258 - Hashimoto , et al. August 28, 2 | 2018-08-28 |
| Developing cartridge provided with cover Grant 10,048,645 - Itabashi , et al. August 14, 2 | 2018-08-14 |
| Developing Cartridge Provided with Cover App 20180129159 - Itabashi; Nao ; et al. | 2018-05-10 |
| Image forming apparatus and drum unit with conveying unit for conveying toner removed from photosensitive drum Grant 9,964,915 - Hashimoto , et al. May 8, 2 | 2018-05-08 |
| Image-forming apparatus Grant 9,910,381 - Yamazaki , et al. March 6, 2 | 2018-03-06 |
| Developing cartridge provided with cover Grant 9,891,581 - Itabashi , et al. February 13, 2 | 2018-02-13 |
| Image forming apparatus Grant 9,829,853 - Hashimoto , et al. November 28, 2 | 2017-11-28 |
| Image forming apparatus and drum unit Grant 9,804,553 - Hashimoto , et al. October 31, 2 | 2017-10-31 |
| Image forming apparatus providing stable engagement between gears upon attachment of drum unit to housing Grant 9,760,058 - Hashimoto , et al. September 12, 2 | 2017-09-12 |
| Image forming apparatus and drum unit Grant 9,760,056 - Hashimoto , et al. September 12, 2 | 2017-09-12 |
| Image Forming Apparatus and Drum Unit with Conveying Unit for Conveying Toner Removed from Photosensitive Drum App 20170227916 - Hashimoto; Junichi ; et al. | 2017-08-10 |
| Image forming apparatus and drum unit with conveying unit for conveying toner removed from photosensitive drum Grant 9,696,682 - Hashimoto , et al. July 4, 2 | 2017-07-04 |
| Drum Unit App 20170115624 - Hashimoto; Junichi ; et al. | 2017-04-27 |
| Developing Cartridge Provided with Cover App 20170060082 - Itabashi; Nao ; et al. | 2017-03-02 |
| Drum unit Grant 9,581,955 - Hashimoto , et al. February 28, 2 | 2017-02-28 |
| Developing cartridge provided with cover Grant 9,529,302 - Itabashi , et al. December 27, 2 | 2016-12-27 |
| Drum Unit App 20160334754 - Hashimoto; Junichi ; et al. | 2016-11-17 |
| Cleaning unit and image forming apparatus provided with the same Grant 9,465,329 - Okazaki , et al. October 11, 2 | 2016-10-11 |
| Image Forming Apparatus Providing Stable Engagement Between Gears Upon Attachment Of Drum Unit To Housing App 20160291524 - Hashimoto; Junichi ; et al. | 2016-10-06 |
| Image Forming Apparatus App 20160291535 - Hashimoto; Junichi ; et al. | 2016-10-06 |
| Image Forming Apparatus and Drum Unit App 20160291527 - Hashimoto; Junichi ; et al. | 2016-10-06 |
| Image Forming Apparatus and Drum Unit App 20160291528 - Hashimoto; Junichi ; et al. | 2016-10-06 |
| Image Forming Apparatus and Drum Unit App 20160291529 - Hashimoto; Junichi ; et al. | 2016-10-06 |
| Drum unit Grant 9,417,596 - Hashimoto , et al. August 16, 2 | 2016-08-16 |
| Developing Cartridge Provided with Cover App 20160202631 - Itabashi; Nao ; et al. | 2016-07-14 |
| Drum unit capable of grounding photosensitive drum and cleaning member Grant 9,354,599 - Hashimoto , et al. May 31, 2 | 2016-05-31 |
| Developing cartridge provided with cover, and process cartridge having the same Grant 9,323,214 - Itabashi , et al. April 26, 2 | 2016-04-26 |
| Cleaning Unit and Image Forming Apparatus Provided with the Same App 20160091828 - Okazaki; Yoshiyuki ; et al. | 2016-03-31 |
| Developing device provided with seal configured to prevent developer leakage Grant 9,298,133 - Ito , et al. March 29, 2 | 2016-03-29 |
| Drum unit capable of improving positioning precision of cleaner with respect to photosensitive drum Grant 9,239,564 - Hashimoto , et al. January 19, 2 | 2016-01-19 |
| Drum Unit Capable Of Improving Positioning Precision Of Cleaner With Respect To Photosensitive Drum App 20150277350 - HASHIMOTO; Junichi ; et al. | 2015-10-01 |
| Drum Unit App 20150277343 - Hashimoto; Junichi ; et al. | 2015-10-01 |
| Drum Unit Capable Of Grounding Photosensitive Drum And Cleaning Member App 20150277349 - HASHIMOTO; Junichi ; et al. | 2015-10-01 |
| Image Forming Apparatus And Drum Unit Thereof Provided With Drum Cleaner App 20150277344 - HASHIMOTO; Junichi ; et al. | 2015-10-01 |
| Developing device provided with developing roller and thickness regulating blade Grant 8,995,872 - Ito , et al. March 31, 2 | 2015-03-31 |
| Developer-accommodating vessel and developing device Grant 8,989,622 - Sato , et al. March 24, 2 | 2015-03-24 |
| Developing device provided with sealing members assembled to thickness-regulation member Grant 8,948,648 - Ito , et al. February 3, 2 | 2015-02-03 |
| Developing Device Provided with Seal Configured to Prevent Developer Leakage App 20150023687 - Ito; Yoshinori ; et al. | 2015-01-22 |
| Toner cartridge Grant D718,381 - Itabashi , et al. November 25, 2 | 2014-11-25 |
| Photosensitive drum unit Grant D718,378 - Itabashi , et al. November 25, 2 | 2014-11-25 |
| Developing device provided with seal configured to prevent developer leakage Grant 8,855,526 - Ito , et al. October 7, 2 | 2014-10-07 |
| Developing device capable of precisely positioning thickness-regulating member Grant 8,837,993 - Yamazaki September 16, 2 | 2014-09-16 |
| Blade pressing member and developer cartridge Grant 8,805,250 - Takami , et al. August 12, 2 | 2014-08-12 |
| Developing device for preventing toner leakage Grant 8,792,802 - Ito , et al. July 29, 2 | 2014-07-29 |
| Image forming apparatus having toner cartridge with movable shutter Grant 8,706,004 - Kamimura , et al. April 22, 2 | 2014-04-22 |
| Image forming device and toner cartridge mounted therein Grant 8,634,744 - Nishiyama , et al. January 21, 2 | 2014-01-21 |
| Multi-function printer Grant 8,588,645 - Yamazaki November 19, 2 | 2013-11-19 |
| Cartridge App 20130287436 - Itabashi; Nao ; et al. | 2013-10-31 |
| Image forming device having retaining member retaining toner cartridges Grant 8,565,637 - Itabashi , et al. October 22, 2 | 2013-10-22 |
| Image Forming Apparatus Having Toner Cartridge With Movable Shutter App 20130243477 - KAMIMURA; Naoya ; et al. | 2013-09-19 |
| Image forming apparatus having toner cartridge with movable shutter Grant 8,457,523 - Kamimura , et al. June 4, 2 | 2013-06-04 |
| Developing Device for Preventing Toner Leakage App 20130108314 - Ito; Yoshinori ; et al. | 2013-05-02 |
| Developing Device for Preventing Toner Leakage App 20130108331 - Ito; Yoshinori ; et al. | 2013-05-02 |
| Blade Pressing Member and Developer Cartridge App 20130078007 - TAKAMI; Takeshi ; et al. | 2013-03-28 |
| Developing Device Provided with Thickness-Regulating Member App 20130058684 - Yamazaki; Ryuya | 2013-03-07 |
| Developing Cartridge Provided with Cover, and Process Cartridge Having the Same App 20130051849 - Itabashi; Nao ; et al. | 2013-02-28 |
| Image forming apparatus having toner cartridge Grant 8,385,774 - Imai , et al. February 26, 2 | 2013-02-26 |
| Developing Device Provided With Seal App 20130028630 - ITO; Yoshinori ; et al. | 2013-01-31 |
| Developer cartridge, developing unit and image forming apparatus including the same Grant 8,331,829 - Mase , et al. December 11, 2 | 2012-12-11 |
| Multi-Function Printer App 20120294651 - YAMAZAKI; Ryuya | 2012-11-22 |
| Developing Device Provided With Developing Roller And Thickness Regulating Blade App 20120251162 - ITO; Yoshinori ; et al. | 2012-10-04 |
| Multi-function printer Grant 8,238,783 - Yamazaki August 7, 2 | 2012-08-07 |
| Developer cartridge, developing device, and process cartridge Grant 8,208,839 - Mase , et al. June 26, 2 | 2012-06-26 |
| Developer cartridge, developing device, process cartridge and image forming apparatus Grant 8,204,410 - Yamazaki , et al. June 19, 2 | 2012-06-19 |
| Developing Device Provided With Sealing Members Assembled To Thickness-regulation Member App 20120082476 - ITO; Yoshinori ; et al. | 2012-04-05 |
| Image-forming Apparatus App 20120051800 - YAMAZAKI; Ryuya ; et al. | 2012-03-01 |
| Developer cartridge, developing device, and process cartridge Grant 8,126,377 - Takagi , et al. February 28, 2 | 2012-02-28 |
| Image Forming Device Having Retaining Member Retaining Toner Cartridges App 20120027454 - ITABASHI; Nao ; et al. | 2012-02-02 |
| Image Forming Device And Toner Cartridge Mounted Therein App 20120003000 - NISHIYAMA; Hideshi ; et al. | 2012-01-05 |
| Developing device and developer cartridge Grant 8,036,579 - Nishiyama , et al. October 11, 2 | 2011-10-11 |
| Developer cartridge having inner and outer casings Grant 8,019,250 - Yamazaki September 13, 2 | 2011-09-13 |
| Image Forming Apparatus Having Toner Cartridge App 20110217068 - KAMIMURA; Naoya ; et al. | 2011-09-08 |
| Image Forming Apparatus Having Toner Cartridge App 20110217069 - IMAI; Masashi ; et al. | 2011-09-08 |
| Developer Cartridge Having Inner and Outer Casings App 20100272465 - YAMAZAKI; Ryuya | 2010-10-28 |
| Developer-Accommodating Vessel and Developing Device App 20100202803 - SATO; Shougo ; et al. | 2010-08-12 |
| Developer cartridge, developing unit and image forming apparatus including the same Grant 7,742,726 - Mase , et al. June 22, 2 | 2010-06-22 |
| Developer Cartridge, Developing Device, Process Cartridge and Image Forming Apparatus App 20090087226 - YAMAZAKI; Ryuya ; et al. | 2009-04-02 |
| Developer Cartridge, Developing Device, and Process Cartridge App 20090087227 - TAKAGI; Takeyuki ; et al. | 2009-04-02 |
| Multi-Function Printer App 20090086243 - YAMAZAKI; Ryuya | 2009-04-02 |
| Developer Cartridge, Developing Device, and Process Cartridge App 20090087222 - MASE; Soichiro ; et al. | 2009-04-02 |
| Developing Device and Developer Cartridge App 20080240790 - Nishiyama; Hideshi ; et al. | 2008-10-02 |
| Developer Cartridge, Developing Unit and Image Forming Apparatus Including the Same App 20080205940 - MASE; Soichiro ; et al. | 2008-08-28 |
| Developer Cartridge, Developing Unit and Image Forming Apparatus Including the Same App 20080205939 - MASE; Soichiro ; et al. | 2008-08-28 |
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