Takayuki Koike

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus including a developer replenishing device w...
- Patent number 8,180,261
- Issue date May 15, 2012
- Ricoh Company, Ltd.
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge therefore having a cl...
- Patent number 7,809,322
- Issue date Oct 5, 2010
- Ricoh Company, Ltd.
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a developer replenishing device f...
- Patent number 7,512,364
- Issue date Mar 31, 2009
- Ricoh Company, Ltd.
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and apparatus having a unit for conveying tone...
- Patent number 7,444,107
- Issue date Oct 28, 2008
- Ricoh Company, Ltd.
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having improved agitation effect
- Patent number 7,356,288
- Issue date Apr 8, 2008
- Ricoh Co., Ltd.
- Nobuo Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer for developing electrostatic latent image and image formi...
- Patent number 7,344,812
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Kohsuke Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming effectively detecting deteri...
- Patent number 7,346,286
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developer supplying unit, and image forming ap...
- Patent number 7,245,853
- Issue date Jul 17, 2007
- Ricoh Company, Limited
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus and process cartridge in...
- Patent number 7,245,861
- Issue date Jul 17, 2007
- Ricoh Company, Limited
- Takayuki Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and process cartridge for an image forming apparatus
- Patent number 7,171,145
- Issue date Jan 30, 2007
- Ricoh Company, Ltd.
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a developer replenishing device f...
- Patent number 7,127,198
- Issue date Oct 24, 2006
- Ricoh Company, Ltd.
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit and image forming apparatus
- Patent number 7,116,932
- Issue date Oct 3, 2006
- Ricoh Company, Limited
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus for image forming apparatus
- Patent number 7,103,305
- Issue date Sep 5, 2006
- Ricoh Company, Ltd.
- Takayuki Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and process cartridge for an image forming apparatus
- Patent number 7,024,141
- Issue date Apr 4, 2006
- Ricoh Company, Ltd.
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for forming color image, image forming apparatus, and toner c...
- Patent number 6,946,229
- Issue date Sep 20, 2005
- Ricoh Company, Ltd.
- Masanori Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for two-component developer, image forming method and device...
- Patent number 6,887,636
- Issue date May 3, 2005
- Ricoh Company, Ltd.
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS INCLUDING A DEVELOPER REPLENISHING DEVICE F...
- Publication number 20090185832
- Publication date Jul 23, 2009
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD AND APPARATUS HAVING A UNIT FOR CONVEYING TONE...
- Publication number 20090041520
- Publication date Feb 12, 2009
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus including a developer replenishing device f...
- Publication number 20070009289
- Publication date Jan 11, 2007
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus having improved agitation effect
- Publication number 20060140679
- Publication date Jun 29, 2006
- Nobuo Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and process cartridge for an image forming apparatus
- Publication number 20060127136
- Publication date Jun 15, 2006
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming effectively detecting deteri...
- Publication number 20060008281
- Publication date Jan 12, 2006
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge, developing unit, and cl...
- Publication number 20050265759
- Publication date Dec 1, 2005
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus including a developer replenishing device
- Publication number 20050163537
- Publication date Jul 28, 2005
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing apparatus for image forming apparatus
- Publication number 20050095037
- Publication date May 5, 2005
- Takayuki Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container, developer supplying unit, and image forming ap...
- Publication number 20050089347
- Publication date Apr 28, 2005
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, image forming apparatus, process cartridge, and...
- Publication number 20040265015
- Publication date Dec 30, 2004
- Takayuki Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing unit and image forming apparatus
- Publication number 20040265014
- Publication date Dec 30, 2004
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and process cartridge for an image forming apparatus
- Publication number 20040190947
- Publication date Sep 30, 2004
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for forming color image, image forming apparatus, and toner c...
- Publication number 20040121256
- Publication date Jun 24, 2004
- Masanori Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer for developing electrostatic latent image and image formi...
- Publication number 20030180643
- Publication date Sep 25, 2003
- Kohsuke Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner for two-component developer, image forming method and device...
- Publication number 20030104297
- Publication date Jun 5, 2003
- Hiroaki Matsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takayuki Koike

Person

Patents Grantslast 30 patents

Image forming apparatus including a developer replenishing device w...

Image forming apparatus and process cartridge therefore having a cl...

Image forming apparatus including a developer replenishing device f...

Image forming method and apparatus having a unit for conveying tone...

Developing apparatus having improved agitation effect

Developer for developing electrostatic latent image and image formi...

Method and apparatus for image forming effectively detecting deteri...

Developer container, developer supplying unit, and image forming ap...

Developing device, image forming apparatus and process cartridge in...

Developing device and process cartridge for an image forming apparatus

Image forming apparatus including a developer replenishing device f...

Developing unit and image forming apparatus

Developing apparatus for image forming apparatus

Developing device and process cartridge for an image forming apparatus

Toner for forming color image, image forming apparatus, and toner c...

Toner for two-component developer, image forming method and device...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS INCLUDING A DEVELOPER REPLENISHING DEVICE F...

IMAGE FORMING METHOD AND APPARATUS HAVING A UNIT FOR CONVEYING TONE...

Image forming apparatus including a developer replenishing device f...

Developing apparatus having improved agitation effect

Developing device and process cartridge for an image forming apparatus

Method and apparatus for image forming effectively detecting deteri...

Image forming apparatus, process cartridge, developing unit, and cl...

Image forming apparatus including a developer replenishing device

Developing apparatus for image forming apparatus

Developer container, developer supplying unit, and image forming ap...

Developing device, image forming apparatus, process cartridge, and...

Developing unit and image forming apparatus

Developing device and process cartridge for an image forming apparatus

Toner for forming color image, image forming apparatus, and toner c...

Developer for developing electrostatic latent image and image formi...

Toner for two-component developer, image forming method and device...