Misao Tanzawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus, process cartridge, developing unit, and im...
- Patent number 7,522,850
- Issue date Apr 21, 2009
- Ricoh Company, Ltd.
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image transferring unit for use in the...
- Patent number 7,298,991
- Issue date Nov 20, 2007
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, process cartridge, developing unit, and im...
- Patent number 7,158,730
- Issue date Jan 2, 2007
- Ricoh Company, Ltd.
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image transferring unit for use in the...
- Patent number 7,127,195
- Issue date Oct 24, 2006
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image transferring unit for use in the...
- Patent number 6,996,354
- Issue date Feb 7, 2006
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, monocolor image forming apparatus, toner r...
- Patent number 6,611,672
- Issue date Aug 26, 2003
- Ricoh Company, Ltd.
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet discharging device for image forming equipment
- Patent number 5,166,739
- Issue date Nov 24, 1992
- Ricoh Company, Ltd.
- Masanori Katsuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a removable processing unit
- Patent number 5,019,867
- Issue date May 28, 1991
- Ricoh Company, Ltd.
- Takeshi Yamakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,008,711
- Issue date Apr 16, 1991
- Ricoh Company, Ltd.
- Koji Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device
- Patent number 4,931,840
- Issue date Jun 5, 1990
- Ricoh Company, Ltd.
- Misao Tanzawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Holder device for handling an image carrier of an image forming app...
- Patent number 4,908,661
- Issue date Mar 13, 1990
- Ricoh Company, Ltd.
- Nobuo Iwata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,862,212
- Issue date Aug 29, 1989
- Ricoh Company, Ltd.
- Misao Tanzawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a removable image forming process kit
- Patent number 4,862,209
- Issue date Aug 29, 1989
- Ricoh Company, Ltd.
- Koji Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device
- Patent number 4,768,062
- Issue date Aug 30, 1988
- Ricoh Company, Ltd.
- Misao Tanzawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Blade cleaning device
- Patent number 4,595,280
- Issue date Jun 17, 1986
- Ricoh Company, Ltd.
- Misao Tanzawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Collection of suspended toner particles
- Patent number 4,412,736
- Issue date Nov 1, 1983
- Ricoh Company, Ltd.
- Koji Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner separation and recovery apparatus
- Patent number 4,319,832
- Issue date Mar 16, 1982
- Ricoh Company, Ltd.
- Koji Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus for electrophotography
- Patent number 4,188,109
- Issue date Feb 12, 1980
- Ricoh Company, Ltd.
- Hiroyuki Idenawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, DEVELOPING UNIT, AND IM...
- Publication number 20070071499
- Publication date Mar 29, 2007
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image transferring unit for use in the...
- Publication number 20070036584
- Publication date Feb 15, 2007
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image transferring unit for use in the...
- Publication number 20050281584
- Publication date Dec 22, 2005
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge, developing unit, and im...
- Publication number 20050063713
- Publication date Mar 24, 2005
- Kazuhito Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image transferring unit for use in the...
- Publication number 20040101328
- Publication date May 27, 2004
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, monocolor image forming apparatus, toner r...
- Publication number 20020051664
- Publication date May 2, 2002
- Katsuhiro Aoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Misao Tanzawa

Person

Patents Grantslast 30 patents

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

Image forming apparatus and image transferring unit for use in the...

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

Image forming apparatus and image transferring unit for use in the...

Image forming apparatus and image transferring unit for use in the...

Image forming apparatus, monocolor image forming apparatus, toner r...

Sheet discharging device for image forming equipment

Image forming apparatus having a removable processing unit

Image forming apparatus

Cleaning device

Holder device for handling an image carrier of an image forming app...

Image forming apparatus

Image forming apparatus having a removable image forming process kit

Cleaning device

Blade cleaning device

Collection of suspended toner particles

Toner separation and recovery apparatus

Fixing apparatus for electrophotography

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, DEVELOPING UNIT, AND IM...

Image forming apparatus and image transferring unit for use in the...

Image forming apparatus and image transferring unit for use in the...

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

Image forming apparatus and image transferring unit for use in the...

Image forming apparatus, monocolor image forming apparatus, toner r...