Arrangements for laying down a uniform charge

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G03G2215/02

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GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G2215/00Apparatus for electrophotographic processes

Current Industry

G03G2215/02Arrangements for laying down a uniform charge

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Patents Grantslast 30 patents

Information Patent Grant
Controlling voltage in an image forming apparatus including a brush...
- Patent number 12,164,238
- Issue date Dec 10, 2024
- Canon Kabushiki Kaisha
- Toshihiko Takayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing cartridge including electrical contact surface positione...
- Patent number 12,140,882
- Issue date Nov 12, 2024
- Brother Kogyo Kabushiki Kaisha
- Saya Minoshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,135,509
- Issue date Nov 5, 2024
- Canon Kabushiki Kaisha
- Norihiro Shirahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming apparatus to control potential difference based on im...
- Patent number 12,124,182
- Issue date Oct 22, 2024
- Canon Kabushiki Kaisha
- Shuichi Tetsuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member, charging device, process cartridge, and image fo...
- Patent number 12,105,438
- Issue date Oct 1, 2024
- FUJIFILM Business Innovation Corp.
- Toshiyasu Yukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 12,105,462
- Issue date Oct 1, 2024
- Canon Kabushiki Kaisha
- Shunsuke Matsushita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process unit and image-forming apparatus
- Patent number 12,092,968
- Issue date Sep 17, 2024
- SHARP KABUSHIKI KAISHA
- Takeshi Nishiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including pre-exposure unit having light em...
- Patent number 12,061,435
- Issue date Aug 13, 2024
- Canon Kabushiki Kaisha
- Jun Hirabayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging member having two surface layers
- Patent number 11,977,340
- Issue date May 7, 2024
- Hewlett-Packard Development Company, L.P.
- Youngphil Ji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive roller, image forming apparatus, and inspection method f...
- Patent number 11,947,272
- Issue date Apr 2, 2024
- NOK Corporation
- Shogo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive roller, image forming apparatus, and inspection method f...
- Patent number 11,947,273
- Issue date Apr 2, 2024
- NOK Corporation
- Shogo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,860,566
- Issue date Jan 2, 2024
- Canon Kabushiki Kaisha
- Takayuki Kanazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with brush portion comprising threads and w...
- Patent number 11,841,669
- Issue date Dec 12, 2023
- Canon Kabushiki Kaisha
- Kazuhiro Funatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with developer collection
- Patent number 11,720,046
- Issue date Aug 8, 2023
- Canon Kabushiki Kaisha
- Kazuhiro Funatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with collection
- Patent number 11,526,116
- Issue date Dec 13, 2022
- Canon Kabushiki Kaisha
- Kazuhiro Funatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gap adjustment of non-contact charging roller
- Patent number 11,454,898
- Issue date Sep 27, 2022
- Hewlett-Packard Development Company, L.P.
- Yoichi Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with developer collection
- Patent number 11,397,400
- Issue date Jul 26, 2022
- Canon Kabushiki Kaisha
- Kazuhiro Funatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing an electrophotographic electroconductive member
- Patent number 11,397,388
- Issue date Jul 26, 2022
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus, process cartridge and cartridge set
- Patent number 11,360,405
- Issue date Jun 14, 2022
- Canon Kabushiki Kaisha
- Hiroyuki Tomono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a voltage applying unit that applies...
- Patent number 11,320,759
- Issue date May 3, 2022
- Canon Kabushiki Kaisha
- Jun Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electroconductive member, process cartridge, and electrophotographi...
- Patent number 11,175,602
- Issue date Nov 16, 2021
- Canon Kabushiki Kaisha
- Satoru Nishioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gear assembly for a replaceable unit of an electrophotographic imag...
- Patent number 11,150,579
- Issue date Oct 19, 2021
- Lexmark International, Inc.
- Jeffrey Alan Abler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device and image forming apparatus
- Patent number 11,126,106
- Issue date Sep 21, 2021
- FUJIFILM Business Innovation Corp.
- Satoshi Mizoguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and electrophotographic apparatus capable of supp...
- Patent number 11,112,719
- Issue date Sep 7, 2021
- Canon Kabushiki Kaisha
- Kohei Makisumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roll for electrophotographic equipment
- Patent number 11,106,151
- Issue date Aug 31, 2021
- Sumitomo Riko Company Limited
- Yoshihiro Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,106,152
- Issue date Aug 31, 2021
- Canon Kabushiki Kaisha
- Atsushi Toda
- G01 - MEASURING TESTING
Information Patent Grant
Processing device and image forming apparatus
- Patent number 11,079,696
- Issue date Aug 3, 2021
- SHARP KABUSHIKI KAISHA
- Takeshi Nishiyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Drum cartridge and image forming apparatus
- Patent number 11,054,765
- Issue date Jul 6, 2021
- Brother Kogyo Kabushiki Kaisha
- Isao Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus in which AC-type biasing is adopted for cha...
- Patent number 10,976,680
- Issue date Apr 13, 2021
- Kyocera Document Solutions Inc.
- Takuji Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,859,939
- Issue date Dec 8, 2020
- Fuji Xerox Co., Ltd.
- Kanji Shintaku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
RESIN PARTICLE, TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPA...
- Publication number 20250013163
- Publication date Jan 9, 2025
- RICOH COMPANY, LTD.
- Suzuka Karato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240427271
- Publication date Dec 26, 2024
- FUJIFILM Business Innovation Corp.
- Takashi ANZAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240419093
- Publication date Dec 19, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Masataka OKADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240419120
- Publication date Dec 19, 2024
- Canon Kabushiki Kaisha
- Shunsuke Matsushita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20240393714
- Publication date Nov 28, 2024
- Osamu SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240353787
- Publication date Oct 24, 2024
- Canon Kabushiki Kaisha
- Jun Hirabayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONDUCTIVE MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FO...
- Publication number 20240319632
- Publication date Sep 26, 2024
- FUJIFILM Business Innovation Corp.
- Toshiyasu YUKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240310751
- Publication date Sep 19, 2024
- KYOCERA DOCUMENT SOLUTIONS INC.
- Minoru Wada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240288792
- Publication date Aug 29, 2024
- Canon Kabushiki Kaisha
- Shunsuke Mizukoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE, CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20240264548
- Publication date Aug 8, 2024
- FUJIFILM Business Innovation Corp.
- Yuki TAGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND POTENTIAL DETECTION PART
- Publication number 20240168429
- Publication date May 23, 2024
- ZHUHAI PANTUM ELECTRONICS CO., LTD.
- Zhe SHAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240168405
- Publication date May 23, 2024
- Canon Kabushiki Kaisha
- YUSUKE SHIMIZU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240152074
- Publication date May 9, 2024
- Canon Kabushiki Kaisha
- Jumpei Nitta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240152073
- Publication date May 9, 2024
- Canon Kabushiki Kaisha
- Jumpei Nitta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240152083
- Publication date May 9, 2024
- Canon Kabushiki Kaisha
- Jumpei Nitta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240142889
- Publication date May 2, 2024
- Canon Kabushiki Kaisha
- TADASHI FUKUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240142908
- Publication date May 2, 2024
- Canon Kabushiki Kaisha
- KENTA SHIBUKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240111236
- Publication date Apr 4, 2024
- Canon Kabushiki Kaisha
- SHINSUKE KOBAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE INCLUDING DEVELOPING CARTRIDGE HAVING DEVELOPING...
- Publication number 20240111239
- Publication date Apr 4, 2024
- BROTHER KOGYO KABUSHIKI KAISHA
- Yasuo FUKAMACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240103396
- Publication date Mar 28, 2024
- Canon Kabushiki Kaisha
- Norihiro Shirahata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240085846
- Publication date Mar 14, 2024
- Canon Kabushiki Kaisha
- Takayuki Kanazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20240069482
- Publication date Feb 29, 2024
- Canon Kabushiki Kaisha
- Kazuhiro Funatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
VOLTAGE GENERATING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20230408949
- Publication date Dec 21, 2023
- Canon Kabushiki Kaisha
- HIROKI ASANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING MEMBER HAVING TWO SURFACE LAYERS
- Publication number 20230367237
- Publication date Nov 16, 2023
- Hewlett-Packard Development Company, L.P.
- YOUNGPHIL JI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONE...
- Publication number 20230359137
- Publication date Nov 9, 2023
- BROTHER KOGYO KABUSHIKI KAISHA
- Saya MINOSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230341807
- Publication date Oct 26, 2023
- Canon Kabushiki Kaisha
- Kazuhiro Funatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230324841
- Publication date Oct 12, 2023
- Canon Kabushiki Kaisha
- MOTOYASU MURAMATSU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS UNIT AND IMAGE-FORMING APPARATUS
- Publication number 20230314978
- Publication date Oct 5, 2023
- Sharp Kabushiki Kaisha
- TAKESHI NISHIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE-FORMING APPARATUS
- Publication number 20230305422
- Publication date Sep 28, 2023
- Canon Kabushiki Kaisha
- SHUICHI TETSUNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230305421
- Publication date Sep 28, 2023
- Canon Kabushiki Kaisha
- TOSHIHIKO TAKAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Arrangements for laying down a uniform charge

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Controlling voltage in an image forming apparatus including a brush...

Developing cartridge including electrical contact surface positione...

Image forming apparatus

Image-forming apparatus to control potential difference based on im...

Conductive member, charging device, process cartridge, and image fo...

Image forming apparatus

Process unit and image-forming apparatus

Image forming apparatus including pre-exposure unit having light em...

Charging member having two surface layers

Conductive roller, image forming apparatus, and inspection method f...

Conductive roller, image forming apparatus, and inspection method f...

Image forming apparatus

Image forming apparatus with brush portion comprising threads and w...

Image forming apparatus with developer collection

Image forming apparatus with collection

Gap adjustment of non-contact charging roller

Image forming apparatus with developer collection

Process for producing an electrophotographic electroconductive member

Electrophotographic apparatus, process cartridge and cartridge set

Image forming apparatus having a voltage applying unit that applies...

Electroconductive member, process cartridge, and electrophotographi...

Gear assembly for a replaceable unit of an electrophotographic imag...

Charging device and image forming apparatus

Process cartridge and electrophotographic apparatus capable of supp...

Charging roll for electrophotographic equipment

Image forming apparatus

Processing device and image forming apparatus

Drum cartridge and image forming apparatus

Image forming apparatus in which AC-type biasing is adopted for cha...

Image forming apparatus

Patents Applicationslast 30 patents

RESIN PARTICLE, TONER, TONER ACCOMMODATING UNIT, IMAGE FORMING APPA...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CONDUCTIVE MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FO...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CHARGING DEVICE, CARTRIDGE, AND IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND POTENTIAL DETECTION PART

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PROCESS CARTRIDGE INCLUDING DEVELOPING CARTRIDGE HAVING DEVELOPING...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

VOLTAGE GENERATING APPARATUS AND IMAGE FORMING APPARATUS

CHARGING MEMBER HAVING TWO SURFACE LAYERS

DEVELOPING CARTRIDGE INCLUDING ELECTRICAL CONTACT SURFACE POSITIONE...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PROCESS UNIT AND IMAGE-FORMING APPARATUS

IMAGE-FORMING APPARATUS

IMAGE FORMING APPARATUS