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Arrangements for purging used developer from the developing unit
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G03G15/0844
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G03
Photography
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ELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY
G03G15/00
Apparatus for electrographic processes using a charge pattern
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G03G15/0844
Arrangements for purging used developer from the developing unit
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last 30 patents
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Patent Grant
Developing unit having guide that stably supports toner cartridge
Patent number
12,111,587
Issue date
Oct 8, 2024
Brother Kogyo Kabushiki Kaisha
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder conveying device and image forming apparatus incorporating same
Patent number
12,111,600
Issue date
Oct 8, 2024
Ricoh Company, Ltd.
Kazuhiro Shimada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation apparatus
Patent number
12,085,870
Issue date
Sep 10, 2024
Oki Electric Industry Co., Ltd.
Fumitaka Ozeki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus
Patent number
11,892,784
Issue date
Feb 6, 2024
FUJIFILM Business Innovation Corp.
Kenta Urayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer discharging method of developing device and developing de...
Patent number
11,835,886
Issue date
Dec 5, 2023
Canon Kabushiki Kaisha
Hisashi Tsukijima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer discharging method of developing device and developing de...
Patent number
11,822,264
Issue date
Nov 21, 2023
Canon Kabushiki Kaisha
Hiroki Takano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having guide that stably supports toner cartridge
Patent number
11,698,595
Issue date
Jul 11, 2023
Brother Kogyo Kabushiki Kaisha
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus having a reverse heli...
Patent number
11,681,242
Issue date
Jun 20, 2023
FUJIFILM Business Innovation Corp.
Shota Igawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus with a developer disc...
Patent number
11,609,510
Issue date
Mar 21, 2023
FUJIFILM Business Innovation Corp.
Katsumi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus having a reverse heli...
Patent number
11,609,511
Issue date
Mar 21, 2023
FUJIFILM Business Innovation Corp.
Kenta Urayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus that can decrease variations in volume and...
Patent number
11,599,044
Issue date
Mar 7, 2023
Kyocera Document Solutions Inc.
Koji Suenami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
11,520,265
Issue date
Dec 6, 2022
Kyocera Document Solutions Inc.
Takahiro Honda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device to form electrostatic latent images
Patent number
11,480,892
Issue date
Oct 25, 2022
Hewlett-Packard Development Company, L.P.
Naoya Iwata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic carrier bead separation
Patent number
11,378,898
Issue date
Jul 5, 2022
Hewlett-Packard Development Company, L.P.
Dennis Alan Abramsohn
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device which supplies two-component developer containing...
Patent number
11,347,164
Issue date
May 31, 2022
Kyocera Document Solutions Inc.
Koji Suenami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Controlling amount of developer by using output waveform obtained f...
Patent number
11,333,994
Issue date
May 17, 2022
Hewlett-Packard Development Company, L.P.
Youngjin Park
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having guide that stably supports toner cartridge
Patent number
11,221,570
Issue date
Jan 11, 2022
Brother Kogyo Kabushiki Kaisha
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner collection device including fan unit and image forming apparatus
Patent number
11,144,009
Issue date
Oct 12, 2021
Kyocera Document Solutions Inc.
Naoki Mizutani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device
Patent number
11,003,110
Issue date
May 11, 2021
Canon Kabushiki Kaisha
Hideaki Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device having an air discharge path
Patent number
10,884,358
Issue date
Jan 5, 2021
Hewlett-Packard Development Company, L.P.
Jong Hyun Park
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having guide that stably supports toner cartridge
Patent number
10,871,731
Issue date
Dec 22, 2020
Brother Kogyo Kabushiki Kaisha
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process unit including main unit and toner cartridge
Patent number
10,788,772
Issue date
Sep 29, 2020
Brother Kogyo Kabushiki Kaisha
Saya Minoshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having guide that stably supports toner cartridge
Patent number
10,761,457
Issue date
Sep 1, 2020
Brother Kogyo Kabushiki Kaisha
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,754,282
Issue date
Aug 25, 2020
Konica Minolta, Inc.
Masahiro Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming device
Patent number
10,649,365
Issue date
May 12, 2020
Konica Minolta, Inc.
Wataru Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having guide that stably supports toner cartridge
Patent number
10,599,068
Issue date
Mar 24, 2020
Brother Kogyo Kabushiki Kaisha
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Consumables discharge device, image forming apparatus, multifunctio...
Patent number
10,539,913
Issue date
Jan 21, 2020
SHARP KABUSHIKI KAISHA
Kiyoto Motoyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process unit including main unit and toner cartridge including tone...
Patent number
10,466,622
Issue date
Nov 5, 2019
Brother Kogyo Kabushiki Kaisha
Saya Minoshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device
Patent number
10,372,068
Issue date
Aug 6, 2019
Canon Kabushiki Kaisha
Takanori Iida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
10,345,750
Issue date
Jul 9, 2019
Canon Kabushiki Kaisha
Fumiyoshi Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING RECYCLED DEVELOPER AND METHOD FOR PRODUCING FL...
Publication number
20240085848
Publication date
Mar 14, 2024
TOYOBO MC Corporation
Keiichi Motoi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DEVELOPER CONTAINER AND IMAGE FORMING APPARATUS
Publication number
20230384712
Publication date
Nov 30, 2023
FUJIFILM Business Innovation Corp.
Toshio TAKIGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMATION APPARATUS
Publication number
20230375957
Publication date
Nov 23, 2023
Oki Electric Industry Co., Ltd.
Fumitaka OZEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Unit Having Guide that Stably Supports Toner Cartridge
Publication number
20230280676
Publication date
Sep 7, 2023
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Unit Having Guide that Stably Supports Toner Cartridge
Publication number
20220091540
Publication date
Mar 24, 2022
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Unit Having Guide that Stably Supports Toner Cartridge
Publication number
20210088936
Publication date
Mar 25, 2021
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING UNIT HAVING GUIDE THAT STABLY SUPPORTS TONER CARTRIDGE
Publication number
20200356026
Publication date
Nov 12, 2020
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Unit Having Guide that Stably Supports Toner Cartridge
Publication number
20200201206
Publication date
Jun 25, 2020
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE HAVING AN AIR DISCHARGE PATH
Publication number
20200192247
Publication date
Jun 18, 2020
Hewlett-Packard Development Company, L.P.
Jong Hyun PARK
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS UNIT INCLUDING MAIN UNIT AND TONER CARTRIDGE INCLUDING TONE...
Publication number
20200050129
Publication date
Feb 13, 2020
BROTHER KOGYO KABUSHIKI KAISHA
Saya MINOSHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Unit Having Guide that Stably Supports Toner Cartridge
Publication number
20190155192
Publication date
May 23, 2019
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko Hayakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS UNIT INCLUDING MAIN UNIT AND TONER CARTRIDGE INCLUDING TONE...
Publication number
20190137906
Publication date
May 9, 2019
BROTHER KOGYO KABUSHIKI KAISHA
Saya MINOSHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONTAINER HAVING PROTRUSIONS PROJECTING FROM OPPOSITE SIDES O...
Publication number
20180335719
Publication date
Nov 22, 2018
Nobuo Takami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, ASSEMBLY BODY, AND IMAGE FORMING APPARATUS INCLU...
Publication number
20180284642
Publication date
Oct 4, 2018
FUJI XEROX CO., LTD
Munenobu OKUBO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20180239274
Publication date
Aug 23, 2018
Canon Kabushiki Kaisha
Satoru Motohashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20180136598
Publication date
May 17, 2018
Canon Kabushiki Kaisha
Fumiyoshi Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE
Publication number
20180039205
Publication date
Feb 8, 2018
Canon Kabushiki Kaisha
Takanori Iida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer Cartridge and Developing Unit Provided With The Same
Publication number
20170357179
Publication date
Dec 14, 2017
BROTHER KOGYO KABUSHIKI KAISHA
Shougo Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONVEYING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150050057
Publication date
Feb 19, 2015
Oki Data Corporation
Tetsuya SATO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER UNIT FOR AN IMAGE FORMING APPARATUS
Publication number
20140348549
Publication date
Nov 27, 2014
BROTHER KOGYO KABUSHIKI KAISHA
Shougo Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140294407
Publication date
Oct 2, 2014
Canon Kabushiki Kaisha
Naoki Mugita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Unit Having Guide that Stably Supports Toner Cartridge
Publication number
20140255059
Publication date
Sep 11, 2014
BROTHER KOGYO KABUSHIKI KAISHA
Masahiko HAYAKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Apparatus That Performs Effective Toner Refresh Proce...
Publication number
20140241739
Publication date
Aug 28, 2014
KYOCERA DOCUMENT SOLUTIONS INC.
Naoki TAKEUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140193167
Publication date
Jul 10, 2014
Toshiba Tec Kabushiki Kaisha
Eiji Shinohara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer Cartridge and Developing Unit Provided With The Same
Publication number
20140186072
Publication date
Jul 3, 2014
BROTHER KOGYO KABUSHIKI KAISHA
Shougo Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
APPARATUS AND SYSTEMS INCLUDING AN IMAGING MODULE AND DEVELOPER MOD...
Publication number
20140178104
Publication date
Jun 26, 2014
Xerox Corporation
Jeffrey M. FOWLER
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Imaging Cartridge Drive with a Central Opening
Publication number
20140096630
Publication date
Apr 10, 2014
Steven Miller
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Toner Cartridge Having Shutter That Selectively Opens and Closes To...
Publication number
20140037333
Publication date
Feb 6, 2014
BROTHER KOGYO KABUSHIKI KAISHA
Shougo Sato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing Device, Process Cartridge and Image Forming Apparatus
Publication number
20140023406
Publication date
Jan 23, 2014
BROTHER KOGYO KABUSHIKI KAISHA
Susumu Sakuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20130223873
Publication date
Aug 29, 2013
Canon Kabushiki Kaisha
Kenichi Manabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY