Takuji Yoneda

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Charging device including charging roller and cleaning roller
- Patent number 7,680,429
- Issue date Mar 16, 2010
- Ricoh Company, Ltd.
- Muraishi Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, process cartridge and image forming apparatus
- Patent number 7,493,075
- Issue date Feb 17, 2009
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charged device, cleaning device, process cartridge, toner, and imag...
- Patent number 7,477,862
- Issue date Jan 13, 2009
- Ricoh Company, Ltd.
- Muraishi Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic carrier, two-component developer, development method, deve...
- Patent number 7,474,867
- Issue date Jan 6, 2009
- Ricoh Company, Ltd.
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge having a detachable u...
- Patent number 7,430,377
- Issue date Sep 30, 2008
- Ricoh Company, Limited
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device for cleaning a surface of an image support body
- Patent number 7,228,099
- Issue date Jun 5, 2007
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit, process cartridge, image forming apparatus, and toner
- Patent number 7,149,465
- Issue date Dec 12, 2006
- Ricoh Company, Limited
- Ken Amemiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for image forming equipment
- Patent number 5,384,628
- Issue date Jan 24, 1995
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER
- Publication number 20090087213
- Publication date Apr 2, 2009
- Muraishi Takaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND TONER
- Publication number 20070154246
- Publication date Jul 5, 2007
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning unit, process cartridge, image forming apparatus, and toner
- Publication number 20070036595
- Publication date Feb 15, 2007
- Ken Amemiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic image forming apparatus, and toner, process car...
- Publication number 20060115286
- Publication date Jun 1, 2006
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magnetic carrier, two-component developer, development method, deve...
- Publication number 20050281593
- Publication date Dec 22, 2005
- Takamasa Ozeki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charged device, cleaning device, process cartridge, toner, and imag...
- Publication number 20050191081
- Publication date Sep 1, 2005
- Takaya Muraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge, and toner
- Publication number 20050084271
- Publication date Apr 21, 2005
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning unit, process cartridge, image forming apparatus, and toner
- Publication number 20050074264
- Publication date Apr 7, 2005
- Ken Amemiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device, process cartridge, image forming apparatus and toner
- Publication number 20050002705
- Publication date Jan 6, 2005
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Magnetic carrier, two-component developer, development method, deve...
- Publication number 20040190946
- Publication date Sep 30, 2004
- Shigekazu Enoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takuji Yoneda

Person

Patents Grantslast 30 patents

Charging device including charging roller and cleaning roller

Cleaning device, process cartridge and image forming apparatus

Charged device, cleaning device, process cartridge, toner, and imag...

Magnetic carrier, two-component developer, development method, deve...

Image forming apparatus and process cartridge having a detachable u...

Cleaning device for cleaning a surface of an image support body

Cleaning unit, process cartridge, image forming apparatus, and toner

Developing device for image forming equipment

Patents Applicationslast 30 patents

CHARGING DEVICE INCLUDING CHARGING ROLLER AND CLEANING ROLLER

CLEANING DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND TONER

Cleaning unit, process cartridge, image forming apparatus, and toner

Electrophotographic image forming apparatus, and toner, process car...

Magnetic carrier, two-component developer, development method, deve...

Charged device, cleaning device, process cartridge, toner, and imag...

Image forming apparatus, process cartridge, and toner

Cleaning unit, process cartridge, image forming apparatus, and toner

Cleaning device, process cartridge, image forming apparatus and toner

Magnetic carrier, two-component developer, development method, deve...