Kazunari Hagiwara

Person

Numazu-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 11,892,791
- Issue date Feb 6, 2024
- Canon Kabushiki Kaisha
- Shunsuke Mizukoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, process cartridge, and image forming apparatus
- Patent number 11,782,356
- Issue date Oct 10, 2023
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, process cartridge, and image forming apparatus
- Patent number 11,442,376
- Issue date Sep 13, 2022
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer bearing member, developing apparatus, process cartridge,...
- Patent number 11,036,161
- Issue date Jun 15, 2021
- Canon Kabushiki Kaisha
- Takashi Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,935,904
- Issue date Mar 2, 2021
- Canon Kabushiki Kaisha
- Jun Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, developer carrying member, process cartridge,...
- Patent number 10,747,140
- Issue date Aug 18, 2020
- Canon Kabushiki Kaisha
- Takuya Kitamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus
- Patent number 10,719,028
- Issue date Jul 21, 2020
- Canon Kabushiki Kaisha
- Koji An
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and electrophotographic image forming apparatus
- Patent number 10,452,021
- Issue date Oct 22, 2019
- Canon Kabushiki Kaisha
- Daisuke Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus with regulating member having a curved contact...
- Patent number 10,444,660
- Issue date Oct 15, 2019
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge and image forming apparatus
- Patent number 10,437,171
- Issue date Oct 8, 2019
- Canon Kabushiki Kaisha
- Koji An
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus, process cartridge, and image forming apparatus
- Patent number 10,394,162
- Issue date Aug 27, 2019
- Canon Kabushiki Kaisha
- Takashi Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and method of producing the toner
- Patent number 9,594,320
- Issue date Mar 14, 2017
- Canon Kabushiki Kaisha
- Makoto Fukatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,501,000
- Issue date Nov 22, 2016
- Canon Kabushiki Kaisha
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge and image forming apparatus
- Patent number 9,442,418
- Issue date Sep 13, 2016
- Canon Kabushiki Kaisha
- Takahiro Kawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrying member and image forming apparatus
- Patent number 9,405,217
- Issue date Aug 2, 2016
- Canon Kabushiki Kaisha
- Shuhei Tokiwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,298,128
- Issue date Mar 29, 2016
- Canon Kabushiki Kaisha
- Tatsuaki Orihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrying member, developing assembly, process cartridge,...
- Patent number 9,261,811
- Issue date Feb 16, 2016
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrying member, developing assembly, process cartridge,...
- Patent number 9,261,814
- Issue date Feb 16, 2016
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,217,962
- Issue date Dec 22, 2015
- Canon Kabushiki Kaisha
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,134,649
- Issue date Sep 15, 2015
- Canon Kabushiki Kaisha
- Tatsuaki Orihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 8,489,011
- Issue date Jul 16, 2013
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming system
- Patent number 8,437,678
- Issue date May 7, 2013
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus
- Patent number 8,019,258
- Issue date Sep 13, 2011
- Canon Kabushiki Kaisha
- Shinichi Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus
- Patent number 7,840,168
- Issue date Nov 23, 2010
- Canon Kabushiki Kaisha
- Shinichi Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus and image forming apparatus
- Patent number 7,773,923
- Issue date Aug 10, 2010
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of judging the propriety of a positive electrode active mate...
- Patent number 7,640,150
- Issue date Dec 29, 2009
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Electrode material for lithium secondary battery including particle...
- Patent number 7,615,313
- Issue date Nov 10, 2009
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Developing apparatus, processing cartridge, and image forming appar...
- Patent number 7,463,854
- Issue date Dec 9, 2008
- Canon Kabushiki Kaisha
- Shinichi Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus featuring image defect supression
- Patent number 7,440,718
- Issue date Oct 21, 2008
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus for preventing ghost images and uneven image d...
- Patent number 7,383,003
- Issue date Jun 3, 2008
- Canon Kabushiki Kaisha
- Naoto Kichijima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230341802
- Publication date Oct 26, 2023
- Canon Kabushiki Kaisha
- Takashi Hiramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230152739
- Publication date May 18, 2023
- Canon Kabushiki Kaisha
- Shunsuke Mizukoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20220317591
- Publication date Oct 6, 2022
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20220082957
- Publication date Mar 17, 2022
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER BEARING MEMBER, DEVELOPING APPARATUS, PROCESS CARTRIDGE,...
- Publication number 20200333726
- Publication date Oct 22, 2020
- Canon Kabushiki Kaisha
- Takashi Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, DEVELOPER CARRYING MEMBER, PROCESS CARTRIDGE,...
- Publication number 20200133161
- Publication date Apr 30, 2020
- Canon Kabushiki Kaisha
- Takuya Kitamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20200050126
- Publication date Feb 13, 2020
- Canon Kabushiki Kaisha
- Koji An
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20190278198
- Publication date Sep 12, 2019
- Canon Kabushiki Kaisha
- Jun Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20190163120
- Publication date May 30, 2019
- Canon Kabushiki Kaisha
- Daisuke Miura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20190113861
- Publication date Apr 18, 2019
- Canon Kabushiki Kaisha
- Takashi Mukai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20190113862
- Publication date Apr 18, 2019
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20190101847
- Publication date Apr 4, 2019
- Canon Kabushiki Kaisha
- Koji An
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20160109824
- Publication date Apr 21, 2016
- Canon Kabushiki Kaisha
- Takahiro Kawamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160070194
- Publication date Mar 10, 2016
- Canon Kabushiki Kaisha
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARRYING MEMBER AND IMAGE FORMING APPARATUS
- Publication number 20160033894
- Publication date Feb 4, 2016
- Canon Kabushiki Kaisha
- Shuhei Tokiwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER AND METHOD OF PRODUCING THE TONER
- Publication number 20150378271
- Publication date Dec 31, 2015
- Canon Kabushiki Kaisha
- Makoto Fukatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150132028
- Publication date May 14, 2015
- Canon Kabushiki Kaisha
- Tatsuaki Orihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150132030
- Publication date May 14, 2015
- Canon Kabushiki Kaisha
- Tatsuaki Orihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARRYING MEMBER, DEVELOPING ASSEMBLY, PROCESS CARTRIDGE,...
- Publication number 20150132032
- Publication date May 14, 2015
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CARRYING MEMBER, DEVELOPING ASSEMBLY, PROCESS CARTRIDGE,...
- Publication number 20150132031
- Publication date May 14, 2015
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140321891
- Publication date Oct 30, 2014
- Canon Kabushiki Kaisha
- Kenji Karashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20130094871
- Publication date Apr 18, 2013
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS
- Publication number 20110026978
- Publication date Feb 3, 2011
- Canon Kabushiki Kaisha
- Shinichi Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20100061749
- Publication date Mar 11, 2010
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, ELECTRODE STRUCTU...
- Publication number 20090157339
- Publication date Jun 18, 2009
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20090003863
- Publication date Jan 1, 2009
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER REGULATING APPARATUS AND DEVELOPING APPARATUS
- Publication number 20080310886
- Publication date Dec 18, 2008
- Canon Kabushiki Kaisha
- Yasushi Shimizu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrode material for lithium secondary battery, electrode structu...
- Publication number 20080131782
- Publication date Jun 5, 2008
- Canon Kabushiki Kaisha
- Kazunari Hagiwara
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DEVELOPING APPARATUS
- Publication number 20070297834
- Publication date Dec 27, 2007
- Canon Kabushiki Kaisha
- Shinichi Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING APPARATUS, PROCESSING CARTRIDGE, AND IMAGE FORMING APPAR...
- Publication number 20070297833
- Publication date Dec 27, 2007
- Canon Kabushiki Kaisha
- Shinichi Nishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kazunari Hagiwara

Person

Patents Grantslast 30 patents

Image forming apparatus

Developing apparatus, process cartridge, and image forming apparatus

Developing apparatus, process cartridge, and image forming apparatus

Developer bearing member, developing apparatus, process cartridge,...

Image forming apparatus

Developing apparatus, developer carrying member, process cartridge,...

Process cartridge and image forming apparatus

Process cartridge and electrophotographic image forming apparatus

Developing apparatus with regulating member having a curved contact...

Developing device, process cartridge and image forming apparatus

Developing apparatus, process cartridge, and image forming apparatus

Toner and method of producing the toner

Image forming apparatus

Developing device, process cartridge and image forming apparatus

Developer carrying member and image forming apparatus

Image forming apparatus

Developer carrying member, developing assembly, process cartridge,...

Developer carrying member, developing assembly, process cartridge,...

Image forming apparatus

Image forming apparatus

Image forming apparatus and image forming system

Image forming apparatus and image forming system

Developing apparatus

Developing apparatus

Developing apparatus and image forming apparatus

Method of judging the propriety of a positive electrode active mate...

Electrode material for lithium secondary battery including particle...

Developing apparatus, processing cartridge, and image forming appar...

Developing apparatus featuring image defect supression

Developing apparatus for preventing ghost images and uneven image d...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPER BEARING MEMBER, DEVELOPING APPARATUS, PROCESS CARTRIDGE,...

DEVELOPING APPARATUS, DEVELOPER CARRYING MEMBER, PROCESS CARTRIDGE,...

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

DEVELOPING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPER CARRYING MEMBER AND IMAGE FORMING APPARATUS

TONER AND METHOD OF PRODUCING THE TONER

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPER CARRYING MEMBER, DEVELOPING ASSEMBLY, PROCESS CARTRIDGE,...

DEVELOPER CARRYING MEMBER, DEVELOPING ASSEMBLY, PROCESS CARTRIDGE,...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

DEVELOPING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM

ELECTRODE MATERIAL FOR LITHIUM SECONDARY BATTERY, ELECTRODE STRUCTU...

DEVELOPING APPARATUS AND IMAGE FORMING APPARATUS

DEVELOPER REGULATING APPARATUS AND DEVELOPING APPARATUS

Electrode material for lithium secondary battery, electrode structu...

DEVELOPING APPARATUS

DEVELOPING APPARATUS, PROCESSING CARTRIDGE, AND IMAGE FORMING APPAR...