Masumi Sato

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing unit, image forming apparatus incorporating same, and me...
- Patent number 8,265,527
- Issue date Sep 11, 2012
- Ricoh Company, Limited
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,180,246
- Issue date May 15, 2012
- Ricoh Company, Ltd.
- Shinichi Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image sheet forming method and image sheet forming apparatus
- Patent number 7,989,132
- Issue date Aug 2, 2011
- Ricoh Company, Ltd.
- Reki Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus, and toner replenishing apparatus
- Patent number 7,894,744
- Issue date Feb 22, 2011
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ink jet recording apparatus capable of performing a duplex print op...
- Patent number 7,712,989
- Issue date May 11, 2010
- Ricoh Company, Ltd.
- Motokazu Yasui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Map information system and map information processing method and pr...
- Patent number 7,617,047
- Issue date Nov 10, 2009
- Hitachi, Ltd.
- Hiroko Sakamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Desktop color image forming apparatus and method of making the same
- Patent number 7,606,521
- Issue date Oct 20, 2009
- Ricoh Company, Ltd.
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply unit and image forming apparatus
- Patent number 7,542,697
- Issue date Jun 2, 2009
- Ricoh Company, Ltd.
- Junichi Matsumoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Color image forming apparatus, and toner replenishing apparatus
- Patent number 7,457,561
- Issue date Nov 25, 2008
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus, and toner replenishing apparatus
- Patent number 7,436,417
- Issue date Oct 14, 2008
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Desktop color image forming apparatus and method of making the same
- Patent number 7,406,283
- Issue date Jul 29, 2008
- Ricoh Company, Ltd.
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply unit and image forming apparatus
- Patent number 7,356,290
- Issue date Apr 8, 2008
- Ricoh Company, Ltd.
- Junichi Matsumoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Ink jet recording apparatus capable of performing a duplex print op...
- Patent number 7,344,326
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Motokazu Yasui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method and apparatus for performing a charging process on an image...
- Patent number 7,344,615
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Masumi Sato
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Desktop color image forming apparatus and method of making the same
- Patent number 7,333,749
- Issue date Feb 19, 2008
- Ricoh Company, Ltd.
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,292,812
- Issue date Nov 6, 2007
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for replenishing a developing device with tone...
- Patent number 7,289,748
- Issue date Oct 30, 2007
- Ricoh Company, Ltd.
- Takaaki Yanagisawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Desktop color image forming apparatus and method of making the same
- Patent number 7,263,309
- Issue date Aug 28, 2007
- Ricoh Company, Ltd.
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for replenishing a developing device with tone...
- Patent number 7,218,880
- Issue date May 15, 2007
- Ricoh Company, Ltd.
- Takaaki Yanagisawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Color image forming apparatus, and toner replenishing apparatus
- Patent number 7,212,764
- Issue date May 1, 2007
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supply unit and image forming apparatus
- Patent number 7,209,689
- Issue date Apr 24, 2007
- Ricoh Company, Ltd.
- Junichi Matsumoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner supply unit and image forming apparatus
- Patent number 7,130,558
- Issue date Oct 31, 2006
- Ricoh Company, Ltd.
- Junichi Matsumoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Toner supply unit and image forming apparatus
- Patent number 7,088,945
- Issue date Aug 8, 2006
- Ricoh Company, Ltd.
- Junichi Matsumoto
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Color image forming apparatus with toner recycling mechanism
- Patent number 7,079,796
- Issue date Jul 18, 2006
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for performing a charging process on an image...
- Patent number 6,977,022
- Issue date Dec 20, 2005
- Ricoh Company, Ltd.
- Masumi Sato
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Color image forming apparatus, and toner replenishing apparatus
- Patent number 6,973,283
- Issue date Dec 6, 2005
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Desktop color image forming apparatus and method of making the same
- Patent number 6,898,407
- Issue date May 24, 2005
- Ricoh Company, Ltd.
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatuses for color image formation, tandem color image formation...
- Patent number 6,801,749
- Issue date Oct 5, 2004
- Ricoh Company, Ltd.
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatuses for color image formation, tandem color image formation...
- Patent number 6,785,504
- Issue date Aug 31, 2004
- Ricoh Company, Ltd.
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roller having elastic member
- Patent number 6,778,797
- Issue date Aug 17, 2004
- Ricoh Company, Ltd.
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image sheet forming method and image sheet forming apparatus
- Publication number 20100330495
- Publication date Dec 30, 2010
- Ricoh Company, Ltd.
- Reki Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100040393
- Publication date Feb 18, 2010
- Shinichi Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, IMAGE FORMING APPARATUS INCORPORATING SAME, AND ME...
- Publication number 20090220266
- Publication date Sep 3, 2009
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COLOR IMAGE FORMING APPARATUS, AND TONER REPLENISHING APPARATUS
- Publication number 20080247795
- Publication date Oct 9, 2008
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME
- Publication number 20080240799
- Publication date Oct 2, 2008
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER SUPPLY UNIT AND IMAGE FORMING APPARATUS
- Publication number 20080152380
- Publication date Jun 26, 2008
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image sheet forming method and image sheet forming apparatus
- Publication number 20080102399
- Publication date May 1, 2008
- Ricoh Company, Ltd.
- Reki Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME
- Publication number 20070242976
- Publication date Oct 18, 2007
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
COLOR IMAGE FORMING APPARATUS, AND TONER REPLENISHING APPARATUS
- Publication number 20070177902
- Publication date Aug 2, 2007
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME
- Publication number 20070127946
- Publication date Jun 7, 2007
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Map information system and map information processing method and pr...
- Publication number 20070129887
- Publication date Jun 7, 2007
- Hiroko Sakamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Toner Supply Unit And Image Forming Apparatus
- Publication number 20070110480
- Publication date May 17, 2007
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus, and toner replenishing apparatus
- Publication number 20060120775
- Publication date Jun 8, 2006
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method for replenishing a developing device with tone...
- Publication number 20060099006
- Publication date May 11, 2006
- Takaaki Yanagisawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ink jet recording apparatus capable of performing a duplex print op...
- Publication number 20060087547
- Publication date Apr 27, 2006
- Motokazu Yasui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method and apparatus for performing a charging process on an image...
- Publication number 20060032581
- Publication date Feb 16, 2006
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Desktop color image forming apparatus and method of making the same
- Publication number 20050169653
- Publication date Aug 4, 2005
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner supply unit and image forming apparatus
- Publication number 20050169673
- Publication date Aug 4, 2005
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050042000
- Publication date Feb 24, 2005
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus, and toner replenishing apparatus
- Publication number 20050019064
- Publication date Jan 27, 2005
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner supply unit and image forming apparatus
- Publication number 20040197119
- Publication date Oct 7, 2004
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method for replenishing a developing device with tone...
- Publication number 20040197120
- Publication date Oct 7, 2004
- Takaaki Yanagisawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ink jet recording apparatus capable of performing a duplex print op...
- Publication number 20040165926
- Publication date Aug 26, 2004
- Motokazu Yasui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Desktop color image forming apparatus and method of making the same
- Publication number 20040126150
- Publication date Jul 1, 2004
- Yuusuke Noguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner supply unit and image forming apparatus
- Publication number 20040091287
- Publication date May 13, 2004
- Junichi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus
- Publication number 20030198491
- Publication date Oct 23, 2003
- Masumi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method for replenishing a developing device with tone...
- Publication number 20030198487
- Publication date Oct 23, 2003
- Takaaki Yanagisawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatuses for color image formation, tandem color image formation...
- Publication number 20030180079
- Publication date Sep 25, 2003
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatuses for color image formation, tandem color image formation...
- Publication number 20030175058
- Publication date Sep 18, 2003
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatuses for color image formation, tandem color image formation...
- Publication number 20030175057
- Publication date Sep 18, 2003
- Motokazu Yasui
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masumi Sato

Person

Patents Grantslast 30 patents

Developing unit, image forming apparatus incorporating same, and me...

Image forming apparatus

Image sheet forming method and image sheet forming apparatus

Color image forming apparatus, and toner replenishing apparatus

Ink jet recording apparatus capable of performing a duplex print op...

Map information system and map information processing method and pr...

Desktop color image forming apparatus and method of making the same

Toner supply unit and image forming apparatus

Color image forming apparatus, and toner replenishing apparatus

Color image forming apparatus, and toner replenishing apparatus

Desktop color image forming apparatus and method of making the same

Toner supply unit and image forming apparatus

Ink jet recording apparatus capable of performing a duplex print op...

Method and apparatus for performing a charging process on an image...

Desktop color image forming apparatus and method of making the same

Image forming apparatus

Apparatus and method for replenishing a developing device with tone...

Desktop color image forming apparatus and method of making the same

Apparatus and method for replenishing a developing device with tone...

Color image forming apparatus, and toner replenishing apparatus

Toner supply unit and image forming apparatus

Toner supply unit and image forming apparatus

Toner supply unit and image forming apparatus

Color image forming apparatus with toner recycling mechanism

Method and apparatus for performing a charging process on an image...

Color image forming apparatus, and toner replenishing apparatus

Desktop color image forming apparatus and method of making the same

Apparatuses for color image formation, tandem color image formation...

Apparatuses for color image formation, tandem color image formation...

Charging roller having elastic member

Patents Applicationslast 30 patents

Image sheet forming method and image sheet forming apparatus

IMAGE FORMING APPARATUS

DEVELOPING UNIT, IMAGE FORMING APPARATUS INCORPORATING SAME, AND ME...

COLOR IMAGE FORMING APPARATUS, AND TONER REPLENISHING APPARATUS

DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME

TONER SUPPLY UNIT AND IMAGE FORMING APPARATUS

Image sheet forming method and image sheet forming apparatus

DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME

COLOR IMAGE FORMING APPARATUS, AND TONER REPLENISHING APPARATUS

DESKTOP COLOR IMAGE FORMING APPARATUS AND METHOD OF MAKING THE SAME

Map information system and map information processing method and pr...

Toner Supply Unit And Image Forming Apparatus

Color image forming apparatus, and toner replenishing apparatus

Apparatus and method for replenishing a developing device with tone...

Ink jet recording apparatus capable of performing a duplex print op...

Method and apparatus for performing a charging process on an image...

Desktop color image forming apparatus and method of making the same

Toner supply unit and image forming apparatus

Image forming apparatus

Color image forming apparatus, and toner replenishing apparatus

Toner supply unit and image forming apparatus

Apparatus and method for replenishing a developing device with tone...

Ink jet recording apparatus capable of performing a duplex print op...

Desktop color image forming apparatus and method of making the same

Toner supply unit and image forming apparatus

Color image forming apparatus

Apparatus and method for replenishing a developing device with tone...

Apparatuses for color image formation, tandem color image formation...

Apparatuses for color image formation, tandem color image formation...

Apparatuses for color image formation, tandem color image formation...