Ooyoshi; Hirobumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ooyoshi; Hirobumi.The latest application filed is for "developing device, process cartridge, and image forming apparatus".

Company Profile

0.57.45

Ooyoshi; Hirobumi - Kanagawa N/A JP
Ooyoshi; Hirobumi - Ohta-ku JP
Ooyoshi; Hirobumi - Osaka N/A JP
Ooyoshi; Hirobumi - Ibaraki N/A JP
Ooyoshi; Hirobumi - Toyonaka JP
Ooyoshi; Hirobumi - Tokyo JP
Ooyoshi; Hirobumi - Toyonaka city JP
Ooyoshi; Hirobumi - Oosaka JP
Ooyoshi; Hirobumi - Hitachinaka JP
Ooyoshi; Hirobumi - Hitachinaka-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Developing device, process cartridge, and image forming apparatus Grant 9,612,547 - Ooyoshi April 4, 2	2017-04-04
Developing Device, Process Cartridge, And Image Forming Apparatus App 20160259271 - OOYOSHI; Hirobumi	2016-09-08
Powder container Grant D750,702 - Ooyoshi , et al. March 1, 2	2016-03-01
Process unit including a rotatable shaft along a driving force vector and image forming apparatus including the same Grant 9,268,300 - Shimizu , et al. February 23, 2	2016-02-23
Mechanism for electrifying, method of electrifying, and conductive member Grant 9,110,396 - Toyoda , et al. August 18, 2	2015-08-18
Developer container, developing device, process cartridge, image forming device, and developer refilling method Grant 8,913,926 - Nakamura , et al. December 16, 2	2014-12-16
Developer amount detector, and developer container, development device, and image forming apparatus incorporating same Grant 8,861,991 - Kubota , et al. October 14, 2	2014-10-14
Toner conveyor, process cartridge, and image forming apparatus Grant 8,824,951 - Ooyoshi , et al. September 2, 2	2014-09-02
Image forming apparatus capable of effectively utilizing interior space Grant 8,768,203 - Hamada , et al. July 1, 2	2014-07-01
Mechanism For Electrifying, Method Of Electrifying, And Conductive Member App 20140133884 - TOYODA; Minoru ; et al.	2014-05-15
Rotating-body electrification mechanism, image carrier unit, process cartridge, image forming apparatus, and method for electrifying image carrier unit Grant 8,712,277 - Ooyoshi April 29, 2	2014-04-29
Mechanism for electrifying, method of electrifying, and conductive member Grant 8,682,199 - Toyoda , et al. March 25, 2	2014-03-25
Process cartridge and image forming apparatus Grant 8,526,849 - Yoshida , et al. September 3, 2	2013-09-03
Process Unit And Image Forming Apparatus App 20130216264 - SHIMIZU; Yoshiyuki ; et al.	2013-08-22
Developer Container, Developing Device, Process Cartridge, Image Forming Device, And Developer Refilling Method App 20130183065 - Nakamura; Kenji ; et al.	2013-07-18
Toner Conveyor, Process Cartridge, And Image Forming Apparatus App 20130136516 - OOYOSHI; Hirobumi ; et al.	2013-05-30
Seal member, developing device, process cartridge, and image forming apparatus Grant 8,442,414 - Kubota , et al. May 14, 2	2013-05-14
Toner conveyance device, process unit, and image forming apparatus Grant 8,326,203 - Ooyoshi December 4, 2	2012-12-04
Cleaning device, process cartridge, and image forming apparatus Grant 8,320,792 - Kawakami , et al. November 27, 2	2012-11-27
Process cartridge and image forming apparatus Grant 8,275,285 - Kawakami , et al. September 25, 2	2012-09-25
Toner cartridge with refillable fresh and residual toner chambers, process cartridge, and method of making toner cartridge reusable Grant 8,260,186 - Kubota , et al. September 4, 2	2012-09-04
Rotating-body Electrification Mechanism, Image Carrier Unit, Process Cartridge, Image Forming Apparatus, And Method For Electrifying Image Carrier Unit App 20120213544 - OOYOSHI; Hirobumi	2012-08-23
Developer Amount Detector, And Developer Container, Development Device, And Image Forming Apparatus Incorporating Same App 20120189327 - KUBOTA; Tomohiro ; et al.	2012-07-26
Toner-collecting device and image forming apparatus Grant 8,208,832 - Yoshida , et al. June 26, 2	2012-06-26
Image Forming Apparatus Capable Of Effectively Utilizing Interior Space App 20120114373 - Hamada; Manabu ; et al.	2012-05-10
Latent image carrier having pairs of first and second positioning protrusions and image forming apparatus Grant 8,160,476 - Shimizu , et al. April 17, 2	2012-04-17
Seal Member, Developing Device, Process Cartridge, And Image Forming Apparatus App 20120063806 - Kubota; Tomohiro ; et al.	2012-03-15
Toner conveyer device, process cartridge, and image forming apparatus Grant 8,135,329 - Shimizu , et al. March 13, 2	2012-03-13
Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screw Grant 8,135,313 - Yoshida , et al. March 13, 2	2012-03-13
Toner agitating unit, toner hopper, process cartridge, and image forming apparatus Grant 8,103,195 - Yoshida , et al. January 24, 2	2012-01-24
Developing device, process unit, and image forming apparatus, with supporting members, grooves, and supported developing roller Grant 8,095,035 - Ooyoshi , et al. January 10, 2	2012-01-10
Seal member, developing device, process cartridge, and image forming apparatus Grant 8,081,897 - Kubota , et al. December 20, 2	2011-12-20
Development device, process unit, and image forming apparatus Grant 8,019,259 - Ooyoshi , et al. September 13, 2	2011-09-13
Toner conveying device, process cartridge, and image forming apparatus Grant 8,019,254 - Tatsumi , et al. September 13, 2	2011-09-13
Developing device of image forming apparatus Grant 7,979,013 - Yoshida , et al. July 12, 2	2011-07-12
Developing device, process cartridge and image forming apparatus Grant 7,965,958 - Tatsumi , et al. June 21, 2	2011-06-21
Developing device and image forming apparatus that uses this developing device Grant 7,965,957 - Kubota , et al. June 21, 2	2011-06-21
Waste-toner collecting device, process cartridge, and image forming apparatus Grant 7,945,203 - Shimizu , et al. May 17, 2	2011-05-17
Mechanism for electrifying, method of electrifying, and conductive member App 20110103837 - Toyoda; Minoru ; et al.	2011-05-05
Waste-toner housing device, and image forming apparatus Grant 7,917,077 - Shimizu , et al. March 29, 2	2011-03-29
Process cartridge and image forming apparatus App 20110052255 - Yoshida; Tomofumi ; et al.	2011-03-03
Powder conveyance device, toner conveyance device, process cartridge and image forming apparatus Grant 7,890,044 - Shimizu , et al. February 15, 2	2011-02-15
Cleaning device and image forming apparatus Grant 7,873,302 - Kawakami , et al. January 18, 2	2011-01-18
Toner conveyance device, process unit, and image forming apparatus App 20110002720 - Ooyoshi; Hirobumi	2011-01-06
Development device, process unit, and image forming apparatus App 20100202796 - Ooyoshi; Hirobumi ; et al.	2010-08-12
Charging-roller bearing member, process cartridge, and image forming apparatus Grant 7,706,724 - Kawakami , et al. April 27, 2	2010-04-27
Developing apparatus Grant 7,676,184 - Murayama , et al. March 9, 2	2010-03-09
Cleaning device, process cartridge, and image forming apparatus App 20100028045 - Kawakami; Yoshihiro ; et al.	2010-02-04
Toner collecting device, image forming unit and image forming apparatus Grant 7,634,213 - Yoshida , et al. December 15, 2	2009-12-15
Conveyor device, process cartridge, image forming apparatus, and method of forming image Grant 7,623,821 - Kubota , et al. November 24, 2	2009-11-24
Process cartridge for image forming apparatus Grant D603,450 - Tatsumi , et al. November 3, 2	2009-11-03
Process cartridge for image forming apparatus Grant D597,129 - Tatsumi , et al. July 28, 2	2009-07-28
Developing Device, Process Unit, And Image Forming Apparatus App 20090169246 - Ooyoshi; Hirobumi ; et al.	2009-07-02
Powder Transport Screw, And Development Device, Process Unit And Image-forming Apparatus Comprising This Powder Transport Screw App 20090169265 - YOSHIDA; Tomofumi ; et al.	2009-07-02
Toner Agitating Unit, Toner Hopper, Process Cartridge, And Image Forming Apparatus App 20090162101 - Yoshida; Tomofumi ; et al.	2009-06-25
Waste-toner Collecting Device, Process Cartridge, And Image Forming Apparatus App 20090154973 - Shimizu; Yoshiyuki ; et al.	2009-06-18
Seal Member, Developing Device, Process Cartridge, And Image Forming Apparatus App 20090110430 - KUBOTA; Tomohiro ; et al.	2009-04-30
Process cartridge for image forming apparatus Grant D590,011 - Tatsumi , et al. April 7, 2	2009-04-07
Process cartridge for image forming apparatus Grant D590,012 - Tatsumi , et al. April 7, 2	2009-04-07
Developing device using developer of particular properties suitable therefore Grant 7,502,579 - Mabuchi , et al. March 10, 2	2009-03-10
Toner Cartridge, Process Cartridge, And Method Of Making Toner Cartridge Reusable App 20090022531 - Kubota; Tomohiro ; et al.	2009-01-22
Process cartridge for image forming apparatus Grant D580,968 - Tatsumi , et al. November 18, 2	2008-11-18
Developing Device, Process Cartridge And Image Forming Apparatus App 20080279586 - TATSUMI; Kenzo ; et al.	2008-11-13
Toner-collecting Device And Image Forming Apparatus App 20080267661 - YOSHIDA; Tomofumi ; et al.	2008-10-30
Latent Image Carrier Unit And Image Forming Apparatus App 20080219698 - Shimizu; Yoshiyuki ; et al.	2008-09-11
Toner recovery belt conveyor, process cartridge, and image forming apparatus using the same Grant 7,424,263 - Shimizu , et al. September 9, 2	2008-09-09
Process Cartridge And Image Forming Apparatus App 20080205930 - KAWAKAMI; Yoshihiro ; et al.	2008-08-28
Developing Device And Image Forming Apparatus That Uses This Developing Device App 20080187358 - Kubota; Tomohiro ; et al.	2008-08-07
Toner Conveying Device, Process Cartridge, And Image Forming Apparatus App 20080181692 - TATSUMI; Kenzo ; et al.	2008-07-31
Powder Conveyance Device, Toner Conveyance Device, Process Cartridge And Image Forming Apparatus App 20080170898 - SHIMIZU; Yoshiyuki ; et al.	2008-07-17
Cleaning Device And Image Forming Apparatus App 20080152408 - Kawakami; Yoshihiro ; et al.	2008-06-26
Developing Device Of Image Forming Apparatus App 20080145108 - Yoshida; Tomofumi ; et al.	2008-06-19
Developing Apparatus App 20080145109 - MURAYAMA; Shin ; et al.	2008-06-19
Image Forming Apparatus And Process Cartridge Used Therein App 20080145119 - TATSUMI; Kenzo ; et al.	2008-06-19
Toner Conveyer Device, Process Cartridge, And Image Forming Apparatus App 20080095559 - Shimizu; Yoshiyuki ; et al.	2008-04-24
Waste-toner housing device, and image forming apparatus App 20080089727 - Shimizu; Yoshiyuki ; et al.	2008-04-17
Charging-roller Bearing Member, Process Cartridge, And Image Forming Apparatus App 20080019720 - Kawakami; Yoshihiro ; et al.	2008-01-24
Conveyor Device, Process Cartridge, Image Forming Apparatus, And Method Of Forming Image App 20070248390 - Kubota; Tomohiro ; et al.	2007-10-25
Cleaning device for image forming apparatus Grant 7,272,355 - Suzuki , et al. September 18, 2	2007-09-18
Toner Recovery Device, Process Cartridge, And Image Forming Apparatus App 20070140763 - Shimizu; Yoshiyuki ; et al.	2007-06-21
Image forming apparatus and image forming unit Grant 7,224,915 - Yamada , et al. May 29, 2	2007-05-29
Toner Collecting Device, Image Forming Unit And Image Forming Apparatus App 20070104523 - Yoshida; Tomofumi ; et al.	2007-05-10
Image forming apparatus and image forming unit App 20060198645 - Yamada; Shintaro ; et al.	2006-09-07
Developing device and electrostatic recording device App 20060045575 - Mabuchi; Hiroyuki ; et al.	2006-03-02
Cleaning device for image forming apparatus App 20060024099 - Suzuki; Takashi ; et al.	2006-02-02

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