Chadani; Kazuo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chadani; Kazuo.The latest application filed is for "process cartridge and image forming apparatus".

Company Profile

12.85.55

Chadani; Kazuo - Suntou-gun JP
Chadani; Kazuo - Suntoh-gun JP
Chadani; Kazuo - Shizuoka-ken JP
Chadani; Kazuo - Nagaizumicho JP
Chadani; Kazuo - Sunto-gun JP
Chadani; Kazuo - Shizuoka JP
Chadani; Kazuo - Kawasaki 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
Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention Grant 11,172,121 - Tanabe , et al. November 9, 2	2021-11-09
Process Cartridge And Image Forming Apparatus App 20210333750 - Chadani; Kazuo ; et al.	2021-10-28
Process cartridge and image forming apparatus Grant 11,131,959 - Chadani , et al. September 28, 2	2021-09-28
Process cartridge and image forming apparatus Grant 11,092,927 - Chadani , et al. August 17, 2	2021-08-17
Image Forming Apparatus, Cartridge And Image Forming Apparatus System App 20210075956 - Tanabe; Masato ; et al.	2021-03-11
Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention Grant 10,880,469 - Tanabe , et al. December 29, 2	2020-12-29
Process Cartridge And Image Forming Apparatus App 20200401078 - Chadani; Kazuo ; et al.	2020-12-24
Process cartridge and image forming apparatus Grant 10,795,309 - Chadani , et al. October 6, 2	2020-10-06
Image Forming Apparatus, Cartridge And Image Forming Apparatus System App 20200177796 - Tanabe; Masato ; et al.	2020-06-04
Process cartridge and image forming apparatus Grant 10,613,476 - Chadani , et al.	2020-04-07
Image forming apparatus, cartridge and image forming apparatus system having erroneous cartridge insertion prevention Grant 10,582,114 - Tanabe , et al.	2020-03-03
Process Cartridge And Image Forming Apparatus App 20190339643 - Chadani; Kazuo ; et al.	2019-11-07
Process cartridge and image forming apparatus Grant 10,401,783 - Chadani , et al. Sep	2019-09-03
Process Cartridge And Image Forming Apparatus App 20190227481 - Chadani; Kazuo ; et al.	2019-07-25
Cartridge and image forming apparatus Grant 10,156,827 - Chadani , et al. Dec	2018-12-18
Process Cartridge And Image Forming Apparatus App 20180246465 - Chadani; Kazuo ; et al.	2018-08-30
Process cartridge and image forming apparatus Grant 9,983,542 - Chadani , et al. May 29, 2	2018-05-29
Image forming apparatus and cartridge Grant 9,836,016 - Kawakami , et al. December 5, 2	2017-12-05
Cartridge And Image Forming Apparatus App 20170315504 - Chadani; Kazuo ; et al.	2017-11-02
Image Forming Apparatus, Cartridge And Image Forming Apparatus System App 20170310883 - Tanabe; Masato ; et al.	2017-10-26
Image forming apparatus, cartridge and image forming apparatus system Grant 9,720,373 - Tanabe , et al. August 1, 2	2017-08-01
Process Cartridge And Image Forming Apparatus App 20170075299 - Chadani; Kazuo ; et al.	2017-03-16
Process cartridge and image forming apparatus Grant 9,581,958 - Chadani , et al. February 28, 2	2017-02-28
Image Forming Apparatus And Cartridge App 20170003645 - Kawakami; Takuya ; et al.	2017-01-05
Cleaning device, process cartridge, and electrophotographic image forming apparatus Grant 9,360,825 - Kakuta , et al. June 7, 2	2016-06-07
Process Cartridge And Image Forming Apparatus App 20150362891 - Chadani; Kazuo ; et al.	2015-12-17
Toner cartridge having structure for minimizing deformation when gripped Grant 9,164,476 - Chadani , et al. October 20, 2	2015-10-20
Process cartridge and image forming apparatus Grant 9,134,688 - Chadani , et al. September 15, 2	2015-09-15
Developing unit, process cartridge and electrophotographic image forming apparatus Grant 9,116,503 - Fukasawa , et al. August 25, 2	2015-08-25
Process cartridge and image forming apparatus Grant 9,058,018 - Chadani , et al. June 16, 2	2015-06-16
Cleaning Device, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20140376953 - Kakuta; Hideki ; et al.	2014-12-25
Process cartridge and electrophotographic image forming apparatus to charge a photosensitive drum Grant 8,909,092 - Koyama , et al. December 9, 2	2014-12-09
Cleaning unit, process cartridge, and electrophotographic image forming apparatus Grant 8,886,109 - Chadani , et al. November 11, 2	2014-11-11
Image Forming Apparatus, Cartridge And Image Forming Apparatus System App 20140086627 - Tanabe; Masato ; et al.	2014-03-27
Process cartridge and image forming apparatus Grant 8,682,200 - Chadani , et al. March 25, 2	2014-03-25
Process Cartridge And Image Forming Apparatus App 20140050503 - Chadani; Kazuo ; et al.	2014-02-20
Process cartridge and image forming apparatus Grant 8,639,160 - Chadani , et al. January 28, 2	2014-01-28
Process cartridge and image forming apparatus Grant 8,588,647 - Chadani , et al. November 19, 2	2013-11-19
Process cartridge and image forming apparatus Grant 8,583,007 - Chadani , et al. November 12, 2	2013-11-12
Cleaning Unit, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20130287439 - Chadani; Kazuo ; et al.	2013-10-31
Developing Unit, Process Cartridge And Electrophotographic Image Forming Apparatus App 20130272753 - Fukasawa; Yu ; et al.	2013-10-17
Process cartridge and electrophotographic image forming apparatus Grant 8,559,849 - Suzuki , et al. October 15, 2	2013-10-15
Cartridge App 20130223853 - Chadani; Kazuo ; et al.	2013-08-29
Process cartridge and assembling, disassembling remanufacturing method therefor Grant 8,503,906 - Suzuki , et al. August 6, 2	2013-08-06
Process cartridge and image forming apparatus Grant 8,447,209 - Chadani , et al. May 21, 2	2013-05-21
Process cartridge and image forming apparatus Grant 8,442,416 - Chadani , et al. May 14, 2	2013-05-14
Process cartridge and assemblying, disassemblying remanufacturing method therefor Grant 8,401,424 - Suzuki , et al. March 19, 2	2013-03-19
Cartridge App 20120328324 - Chadani; Kazuo ; et al.	2012-12-27
Process cartridge and image forming apparatus Grant 8,335,454 - Chadani , et al. December 18, 2	2012-12-18
Process Cartridge And Image Forming Apparatus App 20120281999 - Chadani; Kazuo ; et al.	2012-11-08
Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively Grant 8,306,460 - Chadani , et al. November 6, 2	2012-11-06
Process Cartridge And Electrophotographic Image Forming Apparatus App 20120275815 - Koyama; Osamu ; et al.	2012-11-01
Process Cartridge And Image Forming Apparatus App 20120230726 - Chadani; Kazuo ; et al.	2012-09-13
Process Cartridge And Image Forming Apparatus App 20120189343 - Chadani; Kazuo ; et al.	2012-07-26
Process Cartridge And Image Forming Apparatus App 20120189344 - Chadani; Kazuo ; et al.	2012-07-26
Process Cartridge And Assemblying, Disassemblying Remanufacturing Method Therefor App 20120170953 - Suzuki; Tatsuya ; et al.	2012-07-05
Process Cartridge And Image Forming Apparatus App 20120128388 - Chadani; Kazuo ; et al.	2012-05-24
Process cartridge and electrophotographic image forming apparatus Grant 8,165,493 - Chadani , et al. April 24, 2	2012-04-24
Process cartridge and image forming apparatus Grant 8,160,478 - Munetsugu , et al. April 17, 2	2012-04-17
Process Cartridge And Image Forming Apparatus App 20120063810 - Chadani; Kazuo ; et al.	2012-03-15
Process cartridge with a coupling member and a retaining portion for the coupling member Grant 8,116,661 - Chadani , et al. February 14, 2	2012-02-14
Process Cartridge And Electrophotographic Image Forming Apparatus App 20110280621 - Suzuki; Tatsuya ; et al.	2011-11-17
Process Cartridge And Image Forming Apparatus App 20110280620 - Chadani; Kazuo ; et al.	2011-11-17
Process Cartridge And Image Forming Apparatus App 20110123224 - Chadani; Kazuo ; et al.	2011-05-26
Process Cartridge And Image Forming Apparatus App 20110097108 - Chadani; Kazuo ; et al.	2011-04-28
Process cartridge having couplers transmitting driving forces from an image forming apparatus to electrophotographic photosensitive drum and developing roller and such an apparatus Grant 7,899,364 - Chadani , et al. March 1, 2	2011-03-01
Process cartridge Grant D633,137 - Chadani , et al. February 22, 2	2011-02-22
Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively Grant 7,890,025 - Chadani , et al. February 15, 2	2011-02-15
Process cartridge Grant D631,089 - Chadani , et al. January 18, 2	2011-01-18
Process cartridge Grant D631,090 - Chadani , et al. January 18, 2	2011-01-18
Process cartridge Grant D631,088 - Chadani , et al. January 18, 2	2011-01-18
Process cartridge Grant D631,091 - Chadani , et al. January 18, 2	2011-01-18
Process Cartridge And Image Forming Apparatus Including Drum And Shaft Coupling Members Transmitting Driving Forces To A Photosensitive Drum And A Developing Roller, Respectively App 20100329732 - Chadani; Kazuo ; et al.	2010-12-30
Electrophotographic image forming apparatus and process cartridge Grant 7,689,146 - Sato , et al. March 30, 2	2010-03-30
Process Cartridge And Electrophotographic Image Forming Apparatus App 20090297214 - Chadani; Kazuo ; et al.	2009-12-03
Process Cartridge And Assembling, Disassembling Remanufacturing Method Therefor App 20090297208 - Suzuki; Tatsuya ; et al.	2009-12-03
Process Cartridge And Image Forming Apparatus App 20090297215 - Munetsugu; Hiroyuki ; et al.	2009-12-03
Process cartridge receiving from an image forming apparatus into which it is mounted a downstream-moving force during mounting and such image forming apparatus Grant 7,570,900 - Chadani , et al. August 4, 2	2009-08-04
Electrophotographic Image Forming Apparatus And Process Cartridge App 20090074454 - Sato; Masaaki ; et al.	2009-03-19
Electrophotographic image forming apparatus and process cartridge Grant 7,499,663 - Sato , et al. March 3, 2	2009-03-03
Process cartridge and electrophotographic image forming apparatus Grant 7,433,622 - Chadani , et al. October 7, 2	2008-10-07
Electrophotographic Image Forming Apparatus And Process Cartridge App 20080240773 - Sato; Masaaki ; et al.	2008-10-02
Process Cartridge And Image Forming Apparatus App 20080138115 - Chadani; Kazuo ; et al.	2008-06-12
Process Cartridge And Image Forming Apparatus App 20080138114 - Chadani; Kazuo ; et al.	2008-06-12
Image forming apparatus including a plurality of image bearing members having a speed variation suppression feature Grant 7,366,445 - Hoashi , et al. April 29, 2	2008-04-29
Process Cartridge And Electrophotographic Image Forming Apparatus App 20070141889 - Chadani; Kazuo ; et al.	2007-06-21
Process cartridge and electrophotographic image forming apparatus Grant 7,184,682 - Chadani , et al. February 27, 2	2007-02-27
Process cartridge having electrical contact connectable to electrical contact in electrophotographic image forming apparatus Grant 7,136,604 - Chadani , et al. November 14, 2	2006-11-14
Process cartridge and image forming apparatus App 20060228132 - Chadani; Kazuo ; et al.	2006-10-12
Image forming apparatus Grant D528,591 - Hashimoto , et al. September 19, 2	2006-09-19
Image forming apparatus and image bearing unit therefor App 20060146371 - Hoashi; Shigeru ; et al.	2006-07-06
Process cartridge and electrophotographic image forming apparatus App 20060024080 - Chadani; Kazuo ; et al.	2006-02-02
Electrophotographic image forming apparatus and process cartridge App 20060008289 - Sato; Masaaki ; et al.	2006-01-12
Process cartridge and electrophotographic image forming apparatus Grant 6,980,759 - Kanno , et al. December 27, 2	2005-12-27
Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part Grant 6,934,485 - Miyabe , et al. August 23, 2	2005-08-23
Process cartridge remanufacturing method Grant 6,931,226 - Chadani , et al. August 16, 2	2005-08-16
Unit detachably mountable to electrophotographic image forming apparatus and electrophotographic image forming apparatus App 20050176299 - Chadani, Kazuo ; et al.	2005-08-11
Process cartridge and electrophotographic image forming apparatus App 20050069342 - Kanno, Kazuhiko ; et al.	2005-03-31
Process cartridge and image forming apparatus Grant 6,823,155 - Tsuda , et al. November 23, 2	2004-11-23
Remanufacturing method for process cartridge Grant 6,795,666 - Miyabe , et al. September 21, 2	2004-09-21
Developing device having a cover with partition member Grant 6,760,558 - Chadani , et al. July 6, 2	2004-07-06
Developer container, process cartridge, and electrophotographic image forming apparatus Grant 6,671,474 - Chadani December 30, 2	2003-12-30
Electrophotographic image forming apparatus Grant 6,636,706 - Chadani , et al. October 21, 2	2003-10-21
Developer container, developer amount detecting system, process cartridge, developing device, and image forming apparatus Grant 6,535,699 - Abe , et al. March 18, 2	2003-03-18
Developer accommodating container, a developing device, a process cartridge, and an image forming apparatus whose developer-accommodating-container opening is sealed by a seal member Grant 6,512,903 - Chadani January 28, 2	2003-01-28
Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part App 20020191981 - Miyabe, Shigeo ; et al.	2002-12-19
Process cartridge remanufacturing method App 20020159787 - Chadani, Kazuo ; et al.	2002-10-31
Electrophotographic image forming apparatus App 20020159780 - Chadani, Kazuo ; et al.	2002-10-31
Remanufacturing method for process cartridge App 20020159788 - Miyabe, Shigeo ; et al.	2002-10-31
Developing device App 20020106222 - Chadani, Kazuo ; et al.	2002-08-08
Developer container, process cartridge, and electrophotographic image forming apparatus App 20020098007 - Chadani, Kazuo	2002-07-25
Process cartridge and image forming apparatus App 20020061205 - Tsuda, Tadayuki ; et al.	2002-05-23
Method for attaching electrically conductive sheet to developer sealing member App 20010030015 - Chadani, Kazuo ; et al.	2001-10-18
Coupling member, process cartridge and image forming apparatus Grant 6,301,457 - Chadani , et al. October 9, 2	2001-10-09
Electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatus Grant 6,282,389 - Matsuzaki , et al. August 28, 2	2001-08-28
Developer accommodating container, and developing device App 20010009624 - Abe, Daisuke ; et al.	2001-07-26
Process cartridge with cleaning frame having reinforcing member Grant 6,266,502 - Matsuzaki , et al. July 24, 2	2001-07-24
Process cartridge and image forming apparatus Grant 6,219,504 - Matsuzaki , et al. April 17, 2	2001-04-17
Developing apparatus and method for assembling the same Grant 6,208,817 - Chadani , et al. March 27, 2	2001-03-27
Developing apparatus having welded-together accommodating and developing containers Grant 6,205,305 - Suzuki , et al. March 20, 2	2001-03-20
Coupling member, process cartridge and assembling method of process cartridge Grant 6,173,140 - Suzuki , et al. January 9, 2	2001-01-09
Developing apparatus with drive mechanism for developer bearing body Grant 6,173,145 - Chadani , et al. January 9, 2	2001-01-09
Developing device, process cartridge and electrophotographic image forming apparatus Grant 6,144,815 - Chadani , et al. November 7, 2	2000-11-07
Process cartridge and electrophotographic image forming apparatus Grant 5,966,567 - Matsuzaki , et al. October 12, 1	1999-10-12
Process cartridge and electrophotographic image forming apparatus Grant 5,943,529 - Miyabe , et al. August 24, 1	1999-08-24
Toner supply method, toner accommodation container, process cartridge and electrophotographic image forming apparatus Grant 5,832,343 - Kobayashi , et al. November 3, 1	1998-11-03
Collapsible toner container Grant 5,802,431 - Nagashima , et al. September 1, 1	1998-09-01
Toner accommodation container, process cartridge and electrophotographic image forming apparatus Grant 5,655,181 - Chadani , et al. August 5, 1	1997-08-05

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