Osamu Ariizumi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus capable of reducing a lengthy duration of a...
- Patent number 8,155,543
- Issue date Apr 10, 2012
- Ricoh Co., Ltd.
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner replenishment determination device of an image forming apparatus
- Patent number 8,009,997
- Issue date Aug 30, 2011
- Ricoh Company, Ltd.
- Osamu Ariizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for correcting a toner density target value
- Patent number 7,885,556
- Issue date Feb 8, 2011
- Ricoh Company, Ltd.
- Kohta Fujimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, process cartridge, cleaning system, and im...
- Patent number 7,840,152
- Issue date Nov 23, 2010
- Ricoh Company, Limited
- Yasushi Koichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of accurately detect...
- Patent number 7,821,677
- Issue date Oct 26, 2010
- Ricoh Company, Ltd.
- Kayoko Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit and image forming apparatus which forces consumptio...
- Patent number 7,672,602
- Issue date Mar 2, 2010
- Ricoh Company, Limited
- Osamu Ariizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 7,616,909
- Issue date Nov 10, 2009
- Ricoh Company, Ltd.
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus effectively conducting a process control
- Patent number 7,548,704
- Issue date Jun 16, 2009
- Ricoh Co., Ltd.
- Shin Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing apparatus, process cartridge, and cleaning system...
- Patent number 7,499,664
- Issue date Mar 3, 2009
- Ricoh Company, Limited
- Yasushi Koichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner concentration controlling method
- Patent number 7,493,058
- Issue date Feb 17, 2009
- Ricoh Company, Ltd.
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, process cartridge and cleaningless system
- Patent number 7,315,711
- Issue date Jan 1, 2008
- Ricoh Company, Ltd.
- Osamu Ariizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus controlling polarity of residual toner and...
- Patent number 7,218,879
- Issue date May 15, 2007
- Ricoh Company, Ltd.
- Shigekazu Enoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic carrier, two-component developer, development method, deve...
- Patent number 7,020,421
- Issue date Mar 28, 2006
- Ricoh Company, Ltd.
- Shigekazu Enoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,901,233
- Issue date May 31, 2005
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing device with a magnet brush
- Patent number 6,778,805
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using a magnet brush and image forming apparatus...
- Patent number 6,728,504
- Issue date Apr 27, 2004
- Ricoh Company, Ltd.
- Osamu Ariizumi
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Image forming apparatus
- Patent number 6,721,516
- Issue date Apr 13, 2004
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developing device with a magnet brush
- Patent number 6,597,885
- Issue date Jul 22, 2003
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a developer carrier capable of preve...
- Patent number 6,442,364
- Issue date Aug 27, 2002
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, CLEANING SYSTEM, AND IM...
- Publication number 20090116863
- Publication date May 7, 2009
- Yasushi Koichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20080025742
- Publication date Jan 31, 2008
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS EFFECTIVELY CONDUCTING A PROCESS CONTROL
- Publication number 20070230979
- Publication date Oct 4, 2007
- Shin Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070110455
- Publication date May 17, 2007
- Osamu ARIIZUMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing unit and image forming apparatus
- Publication number 20070104499
- Publication date May 10, 2007
- Osamu Ariizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070065164
- Publication date Mar 22, 2007
- Kohta Fujimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and toner concentration controlling method
- Publication number 20070036566
- Publication date Feb 15, 2007
- Nobutaka Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus capable of reducing a lengthy duration of a...
- Publication number 20070025748
- Publication date Feb 1, 2007
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of accurately detect...
- Publication number 20060274628
- Publication date Dec 7, 2006
- Kayoko Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge and cleaningless system
- Publication number 20050276632
- Publication date Dec 15, 2005
- Osamu Ariizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge, cleaning system, and im...
- Publication number 20050169668
- Publication date Aug 4, 2005
- Yasushi Koichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge for use in the same
- Publication number 20050141917
- Publication date Jun 30, 2005
- Shigekazu Enoki
- 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
Information Patent Application
Image forming apparatus
- Publication number 20040120733
- Publication date Jun 24, 2004
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030210938
- Publication date Nov 13, 2003
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020154917
- Publication date Oct 24, 2002
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020037187
- Publication date Mar 28, 2002
- RICOH COMPANY, LTD.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device using a magnet brush and image forming apparatus...
- Publication number 20020028092
- Publication date Mar 7, 2002
- RICOH COMPANY, LTD.
- Osamu Ariizumi
- B82 - NANO-TECHNOLOGY
Information Patent Application
Image forming apparatus
- Publication number 20010017999
- Publication date Aug 30, 2001
- Ricoh Company, Ltd.
- Tsukuru Kai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Osamu Ariizumi

Person

Patents Grantslast 30 patents

Image forming apparatus capable of reducing a lengthy duration of a...

Toner replenishment determination device of an image forming apparatus

Image forming apparatus for correcting a toner density target value

Image forming apparatus, process cartridge, cleaning system, and im...

Method and apparatus for image forming capable of accurately detect...

Developing unit and image forming apparatus which forces consumptio...

Image forming apparatus and image forming method

Image forming apparatus effectively conducting a process control

Image processing apparatus, process cartridge, and cleaning system...

Image forming apparatus and toner concentration controlling method

Image forming apparatus, process cartridge and cleaningless system

Image forming apparatus controlling polarity of residual toner and...

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

Image forming apparatus

Image forming apparatus having a developing device with a magnet brush

Developing device using a magnet brush and image forming apparatus...

Image forming apparatus

Image forming apparatus having a developing device with a magnet brush

Image forming apparatus having a developer carrier capable of preve...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, CLEANING SYSTEM, AND IM...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS EFFECTIVELY CONDUCTING A PROCESS CONTROL

IMAGE FORMING APPARATUS

Developing unit and image forming apparatus

IMAGE FORMING APPARATUS

Image forming apparatus and toner concentration controlling method

Image forming apparatus capable of reducing a lengthy duration of a...

Method and apparatus for image forming capable of accurately detect...

Image forming apparatus, process cartridge and cleaningless system

Image forming apparatus, process cartridge, cleaning system, and im...

Image forming apparatus and process cartridge for use in the same

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

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Developing device using a magnet brush and image forming apparatus...

Image forming apparatus