Matsuzaki; Hiroomi

Patent Applications and Registrations

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

Company Profile

17.61.49

Matsuzaki; Hiroomi - Shizuoka JP
Matsuzaki; Hiroomi - Mishima JP
Matsuzaki; Hiroomi - Mishima-shi JP
- Mishima JP
Matsuzaki; Hiroomi - 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 App 20220221807 - Matsuda; Kohei ; et al.	2022-07-14
Developer Supplying Device And Image Forming Apparatus App 20220206411 - Matsuzaki; Hiroomi ; et al.	2022-06-30
Seal member, unit, and image forming apparatus Grant 10,962,900 - Matsuzaki , et al. March 30, 2	2021-03-30
Developer container unit, developing apparatus, and process cartridge Grant 10,642,189 - Yamaguchi , et al.	2020-05-05
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Grant 10,620,567 - Matsuzaki , et al.	2020-04-14
Rotatable member, process cartridge and image forming apparatus Grant 10,571,857 - Nonaka , et al. Feb	2020-02-25
Developer Container Unit, Developing Apparatus, And Process Cartridge App 20200041930 - Yamaguchi; Koji ; et al.	2020-02-06
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Grant 10527970 -	2020-01-07
Cartridge and image forming apparatus having roller supported by roller supporting portions Grant 10,423,120 - Yamaguchi , et al. Sept	2019-09-24
Seal member, unit, and image forming apparatus Grant 10,310,416 - Sasaki , et al.	2019-06-04
Developer Accommodating Member, Developer Accommodating Unit, Developing Device, Process Cartridge And Image Forming Apparatus App 20190113865 - Matsuzaki; Hiroomi ; et al.	2019-04-18
Developer Accommodating Unit, Process Cartridge And Electrophotographic Image Forming Apparatus App 20190094759 - Matsuzaki; Hiroomi ; et al.	2019-03-28
Rotatable member and electrophotographic image forming apparatus including the rotatable member Grant 10,191,406 - Yamaguchi , et al. Ja	2019-01-29
Reproduction method for developing device Grant 10,185,251 - Nonaka , et al. Ja	2019-01-22
Cartridge And Image Forming Apparatus App 20190018363 - Yamaguchi; Koji ; et al.	2019-01-17
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Grant 10,175,609 - Matsuzaki , et al. J	2019-01-08
Rotating member, process cartridge, and image forming apparatus Grant 10,175,599 - Nonaka , et al. J	2019-01-08
Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Grant 10,162,289 - Matsuzaki , et al. Dec	2018-12-25
Rotatable Member, Process Cartridge And Image Forming Apparatus App 20180299826 - Nonaka; Fumito ; et al.	2018-10-18
Seal Member, Unit, And Image Forming Apparatus App 20180292769 - Matsuzaki; Hiroomi ; et al.	2018-10-11
Rotatable Member And Electrophotographic Image Forming Apparatus Including The Rotatable Member App 20180292766 - Yamaguchi; Koji ; et al.	2018-10-11
Image forming apparatus with frame body and detachable cartridge with integrated photosensitive drum Grant 10,048,646 - Suzuki , et al. August 14, 2	2018-08-14
Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Grant 10,001,727 - Matsuzaki , et al. June 19, 2	2018-06-19
Roller, rotating member unit, cartridge, and image forming apparatus Grant 9,996,020 - Hayashida , et al. June 12, 2	2018-06-12
Developer Accommodating Container, Developer Accommodating Unit, Process Cartridge, Electrophotographic Image Forming Apparatus App 20180136588 - Matsuzaki; Hiroomi ; et al.	2018-05-17
Developer Accommodating Unit, Process Cartridge And Electrophotographic Image Forming Apparatus App 20180113399 - Matsuzaki; Hiroomi ; et al.	2018-04-26
Image Forming Apparatus, Cartridge, And Frame Body Used For The Cartridge App 20180046136 - Suzuki; Akira ; et al.	2018-02-15
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Grant 9,885,978 - Matsuzaki , et al. February 6, 2	2018-02-06
Reproduction Method For Developing Device App 20180004125 - Nonaka; Fumito ; et al.	2018-01-04
Sealing member having a seal portion and a supporting portion Grant 9,857,733 - Matsuzaki January 2, 2	2018-01-02
Rotating Member, Process Cartridge, And Image Forming Apparatus App 20170371264 - Nonaka; Fumito ; et al.	2017-12-28
Roller, Rotating Member Unit, Cartridge, And Image Forming Apparatus App 20170371263 - Hayashida; Makoto ; et al.	2017-12-28
Cartridge and image forming apparatus Grant 9,811,049 - Suzuki , et al. November 7, 2	2017-11-07
Developer Accommodating Unit, Process Cartridge And Electrophotographic Image Forming Apparatus App 20170235251 - Matsuzaki; Hiroomi ; et al.	2017-08-17
Seal Member, Unit, And Image Forming Apparatus App 20170219962 - Sasaki; Hiraku ; et al.	2017-08-03
Developer Accommodating Container, Developer Accommodating Unit, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20170212452 - Matsuzaki; Hiroomi ; et al.	2017-07-27
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Grant 9,665,040 - Matsuzaki , et al. May 30, 2	2017-05-30
Developer accommodating container, developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Grant 9,599,930 - Matsuzaki , et al. March 21, 2	2017-03-21
Sealing Member, Unit And Image Forming Apparatus App 20170003622 - Matsuzaki; Hiroomi	2017-01-05
Developer accommodating unit, process cartridge, and electrophotographic image forming apparatus Grant 9,529,304 - Uesugi , et al. December 27, 2	2016-12-27
Roller member, roller supporting mechanism, and metallic shaft for forming an image with a laser Grant 9,500,977 - Matsuzaki , et al. November 22, 2	2016-11-22
Developing cartridge, process cartridge and image forming apparatus Grant 9,494,890 - Komatsu , et al. November 15, 2	2016-11-15
Cartridge And Image Forming Apparatus App 20160320745 - Suzuki; Akira ; et al.	2016-11-03
Cartridge and image forming apparatus Grant 9,417,556 - Suzuki , et al. August 16, 2	2016-08-16
Developer accommodating container, process cartridge and image forming apparatus Grant 9,383,678 - Furutani , et al. July 5, 2	2016-07-05
Developer Accommodating Container, Developer Accommodating Unit, Process Cartridge, And Electrophotographic Image Forming Apparatus App 20160170330 - Matsuzaki; Hiroomi ; et al.	2016-06-16
Developing unit, process cartridge and image forming apparatus Grant 9,360,831 - Matsuzaki , et al. June 7, 2	2016-06-07
Developer accommodating container, developer accommodating unit, process cartridge, electrophotographic image forming apparatus Grant 9,304,439 - Matsuzaki , et al. April 5, 2	2016-04-05
Developer accommodating unit, process cartridge and image forming apparatus Grant 9,291,942 - Matsuzaki , et al. March 22, 2	2016-03-22
Flexible developer accommodating container with unsealable openings Grant 9,213,263 - Matsuzaki , et al. December 15, 2	2015-12-15
Developer accommodating unit, developing device, process cartridge and image forming apparatus Grant 9,207,581 - Wada , et al. December 8, 2	2015-12-08
Cartridge And Image Forming Apparatus App 20150338772 - Suzuki; Akira ; et al.	2015-11-26
Cartridge, developing cartridge, process cartridge and image forming apparatus Grant 9,188,906 - Batori , et al. November 17, 2	2015-11-17
Developer accommodating container, process cartridge, electrophotographic image forming apparatus Grant 9,152,081 - Yasui , et al. October 6, 2	2015-10-06
Roller Member, Roller Supporting Mechanism, And Metallic Shaft App 20150277265 - Matsuzaki; Hiroomi ; et al.	2015-10-01
Developer accommodating unit Grant 9,146,500 - Uesugi , et al. September 29, 2	2015-09-29
Developing Catridge, Process Cartridge And Image Forming Apparatus App 20150205226 - Komatsu; Noriyuki ; et al.	2015-07-23
Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method Grant 9,058,011 - Matsuzaki , et al. June 16, 2	2015-06-16
Developer Accommodating Unit, Developing Device, Process Cartridge And Image Forming Apparatus App 20140363196 - Wada; Koji ; et al.	2014-12-11
Developer accommodating unit, process cartridge and electrophotographic image forming apparatus Grant 8,867,955 - Yamaguchi , et al. October 21, 2	2014-10-21
Developer accommodating unit, process cartridge, electrophotographic image forming apparatus Grant 8,824,918 - Kashiide , et al. September 2, 2	2014-09-02
Developer Accommodating Unit, Process Cartridge And Image Forming Apparatus App 20140199094 - Matsuzaki; Hiroomi ; et al.	2014-07-17
Cartridge, Developing Cartridge, Process Cartridge And Image Forming Apparatus App 20140126928 - Batori; Yoshiyuki ; et al.	2014-05-08
Developer Accommodating Container, Developer Accommodating Unit, Process Catridge, Electrophotographic Image Forming Apparatus App 20140079432 - Matsuzaki; Hiroomi ; et al.	2014-03-20
Developer Accommodating Container, Process Cartridge And Image Forming Apparatus App 20140072346 - Furutani; Masaki ; et al.	2014-03-13
Developer Accommodating Unit App 20140072329 - Uesugi; Tetsuo ; et al.	2014-03-13
Developing Unit, Process Cartridge And Image Forming Apparatus App 20140064793 - Matsuzaki; Hiroomi ; et al.	2014-03-06
Developer Accommodating Unit, Process Cartridge, Electrophotographic Image Forming Apparatus App 20140029974 - Uesugi; Tetsuo ; et al.	2014-01-30
Developer Accommodating Container, Process Cartridge, Electrophotographic Image Forming Apparatus App 20140016961 - Yasui; Kojiro ; et al.	2014-01-16
Developer Accommodating Unit, Process Cartridge And Electrophotographic Image Forming Apparatus App 20130343785 - Matsuzaki; Hiroomi ; et al.	2013-12-26
Developer Accommodating Unit, Process Cartridge, Electrophotographic Image Forming Apparatus App 20130308973 - Kashiide; Yosuke ; et al.	2013-11-21
Developer Accommodating Container, Developer Accommodating Unit, Process Cartridge, Electrophotographic Image Forming Apparatus App 20130308979 - Matsuzaki; Hiroomi ; et al.	2013-11-21
Developer Accommodating Unit, Process Cartridge And Electrophotographic Image Forming Apparatus App 20130136489 - Yamaguchi; Koji ; et al.	2013-05-30
Cleaning Device, Developing Device, Cartridge, Cleaning Blade Securing Method, And Developing Blade Securing Method App 20120328330 - Matsuzaki; Hiroomi ; et al.	2012-12-27
Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method Grant 8,285,189 - Matsuzaki , et al. October 9, 2	2012-10-09
Cleaning Device, Developing Device, Cartridge, Cleaning Blade Securing Method, And Developing Blade Securing Method App 20120027458 - Matsuzaki; Hiroomi ; et al.	2012-02-02
Cleaning device, developing device, cartridge, cleaning blade securing method, and developing blade securing method Grant 8,073,377 - Matsuzaki , et al. December 6, 2	2011-12-06
Cleaning Device, Developing Device, Cartridge, Cleaning Blade Securing Method, And Developing Blade Securing Method App 20100221038 - Matsuzaki; Hiroomi ; et al.	2010-09-02
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method Grant 7,412,193 - Sato , et al. August 12, 2	2008-08-12
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method Grant 7,349,657 - Sato , et al. March 25, 2	2008-03-25
Developer Feeding Member, Developing Apparatus, Process Cartridge And Developer Feeding Member Mounting Method App 20080025757 - Sato; Masaaki ; et al.	2008-01-31
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method Grant 7,224,925 - Sato , et al. May 29, 2	2007-05-29
Developer Feeding Member, Developing Apparatus, Process Cartridge And Developer Feeding Member Mounting Method App 20070053722 - Sato; Masaaki ; et al.	2007-03-08
Developer feeding member, developing apparatus, process cartridge and developer feeding member mounting method App 20060051135 - Sato; Masaaki ; et al.	2006-03-09
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
Remanufacturing method for process cartridge Grant 6,795,666 - Miyabe , et al. September 21, 2	2004-09-21
Process cartridge, electrophotographic image forming apparatus and cartridge mounting method Grant 6,792,229 - Matsuzaki September 14, 2	2004-09-14
Process cartridge, engaging member therefor and method for mounting developing roller and magnet Grant 6,549,736 - Miyabe , et al. April 15, 2	2003-04-15
Process cartridge, electrophotographic image forming apparatus and fixing method of electrical contact part App 20020191981 - Miyabe, Shigeo ; et al.	2002-12-19
Remanufacturing method for process cartridge App 20020159788 - Miyabe, Shigeo ; et al.	2002-10-31
Process cartridge remanufacturing method App 20020159787 - Chadani, Kazuo ; et al.	2002-10-31
Image forming apparatus Grant D460,980 - Matsuzaki , et al. July 30, 2	2002-07-30
Process cartridge, electrophotographic image forming apparatus and cartridge mounting method App 20020076235 - Matsuzaki, Hiroomi	2002-06-20
Process cartridge and image forming apparatus App 20010055498 - Matsuzaki, Hiroomi ; et al.	2001-12-27
Process cartridge, engaging member therefor and method for mounting developing roller and magnet App 20010026707 - Miyabe, Shigeo ; et al.	2001-10-04
Electrophotographic photosensitive drum, process cartridge and electrophotographic image forming apparatus Grant 6,282,389 - Matsuzaki , et al. August 28, 2	2001-08-28
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
Electrophotographic image forming apparatus having a main assembly connector and a process cartridge having a cartridge connector electrically connectable with the main assembly connector Grant 6,097,906 - Matsuzaki , et al. August 1, 2	2000-08-01
Power supply for a charging apparatus having a contact charger for charging an object to be charged Grant 6,064,841 - Matsuzaki , et al. May 16, 2	2000-05-16
Process cartridge and electrophotographic image forming apparatus Grant 6,011,941 - Takashima , et al. January 4, 2	2000-01-04
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