Masato Koyanagi

Person

Ibaraki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing assembly, process cartridge, and image-forming apparatus
- Patent number 9,256,156
- Issue date Feb 9, 2016
- Canon Kabushiki Kaisha
- Gosuke Goto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 9,250,564
- Issue date Feb 2, 2016
- Canon Kabushiki Kaisha
- Kazunori Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing assembly, process cartridge, and image-forming apparatus
- Patent number 9,213,258
- Issue date Dec 15, 2015
- Canon Kabushiki Kaisha
- Gosuke Goto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 9,098,014
- Issue date Aug 4, 2015
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, and image forming apparatus
- Patent number 9,098,010
- Issue date Aug 4, 2015
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supplying roller, developing apparatus, and image forming app...
- Patent number 8,116,668
- Issue date Feb 14, 2012
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a predetermined potential difference b...
- Patent number 7,711,279
- Issue date May 4, 2010
- Canon Kabushiki Kaisha
- Kohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device including a contact charging member with silica the...
- Patent number 7,593,670
- Issue date Sep 22, 2009
- Canon Kabushiki Kaisha
- Kohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus wherein an image forming region and a non-i...
- Patent number 7,457,554
- Issue date Nov 25, 2008
- Canon Kabushiki Kaisha
- Kohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and seal retractor
- Patent number 7,277,659
- Issue date Oct 2, 2007
- Canon Kabushiki Kaisha
- Tetsuya Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer regulation member and developing apparatus
- Patent number 7,239,832
- Issue date Jul 3, 2007
- Canon Kabushiki Kaisha
- Koichiro Takashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus
- Patent number 7,209,690
- Issue date Apr 24, 2007
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming apparatus control method, ca...
- Patent number 7,123,849
- Issue date Oct 17, 2006
- Canon Kabushiki Kaisha
- Yasuyuki Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade, cleaning device, process cartridge, and image formi...
- Patent number 6,983,120
- Issue date Jan 3, 2006
- Canon Kabushiki Kaisha
- Yasuyuki Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer carrying member and developing apparatus
- Patent number 6,952,551
- Issue date Oct 4, 2005
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer regulating member and developing apparatus
- Patent number 6,909,869
- Issue date Jun 21, 2005
- Canon Kabushiki Kaisha
- Shinya Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING ASSEMBLY, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS
- Publication number 20150055988
- Publication date Feb 26, 2015
- Canon Kabushiki Kaisha
- Gosuke Goto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING ASSEMBLY, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS
- Publication number 20150055989
- Publication date Feb 26, 2015
- Canon Kabushiki Kaisha
- Gosuke Goto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150055991
- Publication date Feb 26, 2015
- Canon Kabushiki Kaisha
- Kazunori Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150055990
- Publication date Feb 26, 2015
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20130223891
- Publication date Aug 29, 2013
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER SUPPLYING ROLLER, DEVELOPING APPARATUS, AND IMAGE FORMING APP...
- Publication number 20090297230
- Publication date Dec 3, 2009
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20080232854
- Publication date Sep 25, 2008
- Canon Kabushiki Kaisha
- Kohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20060188292
- Publication date Aug 24, 2006
- Canon Kabushiki Kaisha
- Kohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050260006
- Publication date Nov 24, 2005
- Canon Kabushiki Kaisha
- Kohei Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and seal retractor
- Publication number 20050220464
- Publication date Oct 6, 2005
- Canon Kabushiki Kaisha
- Tetsuya Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus
- Publication number 20050214032
- Publication date Sep 29, 2005
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer regulation member and developing apparatus
- Publication number 20050025531
- Publication date Feb 3, 2005
- Canon Kabushiki Kaisha
- Koichiro Takashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image forming apparatus control method, ca...
- Publication number 20050025507
- Publication date Feb 3, 2005
- Canon Kabushiki Kaisha
- Yasuyuki Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer carrying member and developing apparatus
- Publication number 20040240910
- Publication date Dec 2, 2004
- Canon Kabushiki Kaisha
- Masato Koyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning blade, cleaning device, process cartridge, and image formi...
- Publication number 20040213607
- Publication date Oct 28, 2004
- Canon Kabushiki Kaisha
- Yasuyuki Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer regulating member and developing apparatus
- Publication number 20030223783
- Publication date Dec 4, 2003
- Canon Kabushiki Kaisha
- Shinya Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masato Koyanagi

Person

Patents Grantslast 30 patents

Developing assembly, process cartridge, and image-forming apparatus

Developing device and image forming apparatus

Developing assembly, process cartridge, and image-forming apparatus

Developing device and image forming apparatus

Development device, process cartridge, and image forming apparatus

Toner supplying roller, developing apparatus, and image forming app...

Image forming apparatus with a predetermined potential difference b...

Charging device including a contact charging member with silica the...

Image forming apparatus wherein an image forming region and a non-i...

Image forming apparatus and seal retractor

Developer regulation member and developing apparatus

Developing apparatus

Image forming apparatus, image forming apparatus control method, ca...

Cleaning blade, cleaning device, process cartridge, and image formi...

Developer carrying member and developing apparatus

Developer regulating member and developing apparatus

Patents Applicationslast 30 patents

DEVELOPING ASSEMBLY, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS

DEVELOPING ASSEMBLY, PROCESS CARTRIDGE, AND IMAGE-FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

TONER SUPPLYING ROLLER, DEVELOPING APPARATUS, AND IMAGE FORMING APP...

IMAGE FORMING APPARATUS

CHARGING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

Image forming apparatus

Image forming apparatus and seal retractor

Developing apparatus

Developer regulation member and developing apparatus

Image forming apparatus, image forming apparatus control method, ca...

Developer carrying member and developing apparatus

Cleaning blade, cleaning device, process cartridge, and image formi...

Developer regulating member and developing apparatus