Oguma; Toru

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oguma; Toru.The latest application filed is for "image forming apparatus".

Company Profile

17.74.54

Oguma; Toru - Shizuoka JP
Oguma; Toru - Mishima-shi JP
Oguma; Toru - Mishima JP
Oguma; Toru - Shizuoka-ken JP
Oguma; Toru - Tokyo JP
Oguma; Toru - Shizouka JP
Oguma; Toru - Susono 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 App 20220269201 - Yamaguchi; Koji ; et al.	2022-08-25
Development Device, Process Cartridge, And Image Forming Apparatus App 20220236687 - Nosho; Hiroaki ; et al.	2022-07-28
Image forming apparatus Grant 11,360,416 - Yamaguchi , et al. June 14, 2	2022-06-14
Development device, process cartridge, and image forming apparatus Grant 11,287,772 - Nosho , et al. March 29, 2	2022-03-29
Cartridge And Electrophotographic Image Forming Apparatus App 20210341873 - Komatsu; Noriyuki ; et al.	2021-11-04
Cartridge and electrophotographic image forming apparatus Grant 11,099,518 - Komatsu , et al. August 24, 2	2021-08-24
Image Forming Apparatus App 20210191297 - Yamaguchi; Koji ; et al.	2021-06-24
Image forming apparatus and image forming unit Grant 10,969,730 - Sueshige , et al. April 6, 2	2021-04-06
Photosensitive drum unit to address vibration of a charge roller Grant 10,845,723 - Nosho , et al. November 24, 2	2020-11-24
Image Forming Apparatus And Image Forming Unit App 20200272087 - Sueshige; Kazutaka ; et al.	2020-08-27
Process cartridge for image forming apparatus Grant D889,415 - Oguma , et al.	2020-07-07
Development Device, Process Cartridge, And Image Forming Apparatus App 20200183322 - Nosho; Hiroaki ; et al.	2020-06-11
Cartridge And Electrophotographic Image Forming Apparatus App 20200150581 - Komatsu; Noriyuki ; et al.	2020-05-14
Development device, process cartridge, and image forming apparatus Grant 10,606,210 - Nosho , et al.	2020-03-31
Cartridge and electrophotographic image forming apparatus Grant 10,551,790 - Komatsu , et al. Fe	2020-02-04
Image Forming Unit App 20200033785 - Nosho; Hiroaki ; et al.	2020-01-30
Developing unit and process cartridge Grant 10,474,059 - Numata , et al. Nov	2019-11-12
Image forming unit to suppress uneven charging Grant 10,466,641 - Nosho , et al. No	2019-11-05
Flange coupling for process cartridge for image forming apparatus Grant D863,419 - Oguma , et al. Oc	2019-10-15
Side cover for process cartridge for image forming apparatus Grant D862,585 - Oguma , et al. O	2019-10-08
Coupling for process cartridge for image forming apparatus Grant D862,587 - Oguma , et al. O	2019-10-08
Photosensitive drum for process cartridge for image forming apparatus Grant D862,586 - Oguma , et al. O	2019-10-08
Side cover for process cartridge for image forming apparatus Grant D862,584 - Oguma , et al. O	2019-10-08
Development Device, Process Cartridge, And Image Forming Apparatus App 20190179255 - Nosho; Hiroaki ; et al.	2019-06-13
Cartridge And Electrophotographic Image Forming Apparatus App 20190155206 - Komatsu; Noriyuki ; et al.	2019-05-23
Process cartridge for image forming apparatus Grant D845,384 - Oguma , et al.	2019-04-09
Development device, process cartridge, and image forming apparatus Grant 10,254,710 - Nosho , et al.	2019-04-09
Cartridge and electrophotographic image forming apparatus Grant 10,197,967 - Komatsu , et al. Fe	2019-02-05
Cartridge and cover member Grant 10,156,828 - Kawakami , et al. Dec	2018-12-18
Image Forming Unit App 20180335746 - Nosho; Hiroaki ; et al.	2018-11-22
Cartridge And Cover Member App 20180181057 - Kawakami; Takuya ; et al.	2018-06-28
Developing Unit And Process Cartridge App 20180164711 - Numata; Tetsuya ; et al.	2018-06-14
Development Device, Process Cartridge, And Image Forming Apparatus App 20180143584 - Nosho; Hiroaki ; et al.	2018-05-24
Cartridge and cover member Grant 9,939,778 - Kawakami , et al. April 10, 2	2018-04-10
Cartridge And Electrophotographic Image Forming Apparatus App 20180046130 - Komatsu; Noriyuki ; et al.	2018-02-15
Image forming apparatus including an erroneous attaching prevention unit Grant 9,829,857 - Yada , et al. November 28, 2	2017-11-28
Cartridge and electrophotographic image forming apparatus Grant 9,778,613 - Komatsu , et al. October 3, 2	2017-10-03
Cartridge and electrophotographic image forming apparatus Grant 9,772,598 - Komatsu , et al. September 26, 2	2017-09-26
Cartridge And Cover Member App 20170108824 - Kawakami; Takuya ; et al.	2017-04-20
Developer cartridge, developing apparatus, process cartridge and image forming apparatus Grant 9,535,398 - Yada , et al. January 3, 2	2017-01-03
Cartridge And Electrophotographic Image Forming Apparatus App 20160370756 - Komatsu; Noriyuki ; et al.	2016-12-22
Image Forming Apparatus App 20160103418 - Yada; Takayuki ; et al.	2016-04-14
Developer Cartridge, Developing Apparatus, Process Cartridge And Image Forming Apparatus App 20160070207 - Yada; Takayuki ; et al.	2016-03-10
Process cartridge, photosensitive drum unit, developing unit and electrophotographic image forming apparatus Grant 8,942,592 - Uratani , et al. January 27, 2	2015-01-27
Cartridge And Electrophotographic Image Forming Apparatus App 20140112685 - Komatsu; Noriyuki ; et al.	2014-04-24
Cartridge and electrophotographic image forming apparatus Grant 8,571,445 - Komatsu , et al. October 29, 2	2013-10-29
Process Cartridge, Photosensitive Drum Unit, Developing Unit And Electrophotographic Image Forming Apparatus App 20120243905 - Uratani; Shunsuke ; et al.	2012-09-27
Process cartridge, electrophotographic image forming apparatus, method of manufacturing a process cartridge, and method of remanufacturing a process cartridge Grant 7,865,115 - Oguma , et al. January 4, 2	2011-01-04
Cartridge And Electrophotographic Image Forming Apparatus App 20100278559 - Komatsu; Noriyuki ; et al.	2010-11-04
Developing apparatus, process cartridge and magnetic sealing member Grant 7,761,028 - Oguma , et al. July 20, 2	2010-07-20
Toner cartridge Grant D585,482 - Kubota , et al. January 27, 2	2009-01-27
Toner cartridge Grant D583,860 - Kubota , et al. December 30, 2	2008-12-30
Developing Apparatus, Process Cartridge And Magnetic Sealing Member App 20080112723 - Oguma; Toru ; et al.	2008-05-15
Process cartridge and electrophotographic image forming apparatus Grant 7,315,706 - Oguma , et al. January 1, 2	2008-01-01
Disassembling tool for process cartridge Grant 7,296,341 - Kikuchi , et al. November 20, 2	2007-11-20
Process Cartridge, Electrophotographic Image Forming Apparatus, Method Of Manufacturing A Process Cartridge, And Method Of Remanufacturing A Process Cartridge App 20070248382 - Oguma; Toru ; et al.	2007-10-25
Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism Grant 7,239,823 - Oguma , et al. July 3, 2	2007-07-03
Process cartridge and electrophotographic image forming apparatus Grant 7,215,901 - Abe , et al. May 8, 2	2007-05-08
Process Cartridge And Electrophotographic Image Forming Apparatus App 20070092285 - Oguma; Toru ; et al.	2007-04-26
Process cartridge and electrophotographic image forming apparatus Grant 7,162,176 - Oguma , et al. January 9, 2	2007-01-09
Process cartridge and electrophotographic image forming apparatus App 20060251443 - Abe; Daisuke ; et al.	2006-11-09
Process cartridge and electrographic image forming apparatus Grant 7,130,557 - Abe , et al. October 31, 2	2006-10-31
Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism App 20060193653 - Oguma; Toru ; et al.	2006-08-31
Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame Grant 7,095,967 - Karakama , et al. August 22, 2	2006-08-22
Disassembling tool for process cartridge Grant 7,073,251 - Kikuchi , et al. July 11, 2	2006-07-11
Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism Grant 7,062,192 - Oguma , et al. June 13, 2	2006-06-13
Process cartridge assembling method, process cartridge remanufacturing method, and connecting member Grant 7,024,131 - Komatsu , et al. April 4, 2	2006-04-04
Process cartridge and electrophotographic image forming apparatus App 20060029416 - Oguma; Toru ; et al.	2006-02-09
Process cartridge and electrophotographic image forming apparatus Grant 6,993,264 - Oguma , et al. January 31, 2	2006-01-31
Disassembling tool for process cartridge App 20050283973 - Kikuchi, Ken ; et al.	2005-12-29
Developing apparatus having a sheet preventing a developing agent from leaking out of a container opening Grant 6,970,667 - Watanabe , et al. November 29, 2	2005-11-29
Method of reproducing process cartridge or developing apparatus Grant 6,952,544 - Kikuchi , et al. October 4, 2	2005-10-04
Process cartridge and electrophotographic image forming apparatus App 20050214019 - Abe, Daisuke ; et al.	2005-09-29
Electrophotographic image forming apparatus, process cartridge and discharge preventing mechanism App 20050191080 - Oguma, Toru ; et al.	2005-09-01
Developing device, a process cartridge, and an electrophotographic image forming apparatus for detecting an amount of developer Grant 6,892,035 - Matsumoto , et al. May 10, 2	2005-05-10
Process cartridge and electrophotographic image forming apparatus App 20050069338 - Oguma, Toru ; et al.	2005-03-31
Image forming apparatus having process cartridge with connection arrangement for side frame bodies Grant 6,868,243 - Watanabe , et al. March 15, 2	2005-03-15
Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame Grant 6,859,627 - Karakama , et al. February 22, 2	2005-02-22
Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame App 20050025508 - Karakama, Toshiyuki ; et al.	2005-02-03
Developing device, process cartridge, and electrophotographic image forming apparatus Grant 6,832,057 - Oguma , et al. December 14, 2	2004-12-14
Process cartridge and developing device detachably attachable to image forming apparatus main body and having developer seal member with grip portion, and such image forming apparatus Grant 6,804,476 - Yokoi , et al. October 12, 2	2004-10-12
Process Cartridge Comprising Grounding, Charging Bias, And Developing Bias Contacts And Input And Output Contacts, And Electrophotographic Image Forming Apparatus To Which The Process Cartridge Is Detachably Mountable Grant 6,804,475 - Oguma , et al. October 12, 2	2004-10-12
Electrophotographic image forming apparatus and process cartridges Grant 6,804,483 - Yokoi , et al. October 12, 2	2004-10-12
Process cartridge assembling method, process cartridge remanufacturing method, and connecting member App 20040136746 - Komatsu, Noriyuki ; et al.	2004-07-15
Image forming apparatus Grant D492,958 - Karakama , et al. July 13, 2	2004-07-13
Method of reproducing process cartridge or developing apparatus App 20040131382 - Kikuchi, Ken ; et al.	2004-07-08
Developing apparatus having a sheet preventing a developing agent from leaking out of a container opening App 20040126130 - Watanabe, Kazushi ; et al.	2004-07-01
Method of remanufacturing process cartridge and developing device Grant 6,735,405 - Yokoi , et al. May 11, 2	2004-05-11
Disassembling tool for process cartridge App 20040045156 - Kikuchi, Ken ; et al.	2004-03-11
Developing device, process cartridge and electrophotographic image forming apparatus Grant 6,704,525 - Oguma , et al. March 9, 2	2004-03-09
Developing device, process cartridge, electrophotographic image forming apparatus, and developer container and method of assembling the developer container Grant 6,684,040 - Yokoi , et al. January 27, 2	2004-01-27
Developing device, process cartridge and image forming apparatus Grant 6,671,477 - Komatsu , et al. December 30, 2	2003-12-30
Process cartridge and electrophotographic image forming apparatus Grant 6,658,224 - Yokoi , et al. December 2, 2	2003-12-02
Developing device, process cartridge, and electrophotographic image forming apparatus App 20030180061 - Oguma, Toru ; et al.	2003-09-25
Developing device, process cartridge and electrophotographic image forming apparatus Grant 6,625,413 - Oguma , et al. September 23, 2	2003-09-23
Developing Device, Process Cartridge, Electrophotographic Image Forming Apparatus, And Developer Container And Method Of Assembling The Developer Container App 20030161657 - Yokoi, Akiyoshi ; et al.	2003-08-28
Image forming apparatus and process cartridge for use therein App 20030161644 - Yokoi, Akiyoshi ; et al.	2003-08-28
Image forming apparatus Grant D478,615 - Karakama , et al. August 19, 2	2003-08-19
Developing apparatus mounted on image forming apparatus Grant 6,606,469 - Kikuchi , et al. August 12, 2	2003-08-12
Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member Grant 6,594,454 - Oguma , et al. July 15, 2	2003-07-15
Process cartridge and electrophotographic image forming apparatus using the same App 20030113131 - Watanabe, Kazushi ; et al.	2003-06-19
Method of remanufacturing process cartridge and developing device App 20030108358 - Yokoi, Akiyoshi ; et al.	2003-06-12
Process cartridge and image forming apparatus Grant 6,571,070 - Oguma , et al. May 27, 2	2003-05-27
Developing device, process cartridge and image forming apparatus App 20030068172 - Komatsu, Noriyuki ; et al.	2003-04-10
Process cartredge and electrophotographic image forming apparatus App 20020172521 - Oguma, Toru ; et al.	2002-11-21
Electrophotographic image forming apparatus and process cartridges App 20020131791 - Yokoi, Akiyoshi ; et al.	2002-09-19
Process cartridge and electrophotographic image forming apparatus App 20020122674 - Yokoi, Akiyoshi ; et al.	2002-09-05
Developing apparatus mounted on image forming apparatus App 20020110383 - Kikuchi, Ken ; et al.	2002-08-15
Developing device, process cartridge and electrophotographic image forming apparatus App 20020067930 - Oguma, Toru ; et al.	2002-06-06
Electric contact member and developing device, process cartridge, and electrophotographic image-forming apparatus using the electric contact member App 20020064390 - Oguma, Toru ; et al.	2002-05-30
Process cartridge, electrophotographic image forming apparatus and developer amount detecting member Grant 6,377,759 - Abe , et al. April 23, 2	2002-04-23
Process cartridge and electrophotographic image forming system App 20020025174 - Sakurai, Kazushige ; et al.	2002-02-28
Developing device, process cartridge and image forming apparatus App 20020021908 - Matsumoto, Hideki ; et al.	2002-02-21
Image Developing Apparatus, Process Cartridge, Electrophotographic Image Forming Apparatus, And Developing Unit Frame App 20020012542 - KARAKAMA, TOSHIYUKI ; et al.	2002-01-31
Developing Device, process cartridge and electrophotographic image forming apparatus App 20010038758 - Oguma, Toru ; et al.	2001-11-08
Process cartridge and image forming apparatus App 20010017990 - Oguma, Toru ; et al.	2001-08-30
Process cartridge and electrophotographic image forming apparatus Grant 6,272,299 - Numagami , et al. August 7, 2	2001-08-07
Developing apparatus and process cartridge Grant 6,266,500 - Numagami , et al. July 24, 2	2001-07-24
Development agent container, process cartridge, and image forming apparatus Grant 6,173,130 - Oguma January 9, 2	2001-01-09
Shutter member and process cartridge Grant 6,144,821 - Oguma November 7, 2	2000-11-07
Photosensitive drum mounting method, process cartridge and electrophotographic image forming apparatus Grant 6,097,909 - Watanabe , et al. August 1, 2	2000-08-01
Magnetic seal mounting method developing blade exchanging method and process cartridge Grant 6,021,291 - Karakama , et al. February 1, 2	2000-02-01
Developing device Grant 5,812,909 - Oguma , et al. September 22, 1	1998-09-22
Developing apparatus Grant 5,790,923 - Oguma , et al. August 4, 1	1998-08-04
Electrode member, developing apparatus, process cartridge and image forming apparatus Grant 5,768,658 - Watanabe , et al. June 16, 1	1998-06-16
Cleaning apparatus with a member to prevent peeling of a guide member, and a process cartridge and image forming apparatus using the same Grant 5,455,665 - Baba , et al. October 3, 1	1995-10-03