Nobuyuki Yanagawa

Person

Ohta-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Controlling timing for starting image formation
- Patent number 7,656,420
- Issue date Feb 2, 2010
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus
- Patent number 7,583,281
- Issue date Sep 1, 2009
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image forming apparatus capable of effectively matching regis...
- Patent number 7,583,919
- Issue date Sep 1, 2009
- Ricoh Company, Ltd.
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a simple cassette of image bearing p...
- Patent number 7,542,702
- Issue date Jun 2, 2009
- Ricoh Company, Ltd.
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image carrier toner unit and image forming apparatus
- Patent number 7,539,439
- Issue date May 26, 2009
- Ricoh Company, Ltd.
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of synthesizing a fu...
- Patent number 7,502,041
- Issue date Mar 10, 2009
- Ricoh Company, Ltd.
- Shingo Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus with improved capability of image superposi...
- Patent number 7,499,066
- Issue date Mar 3, 2009
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Controlling timing for starting image formation
- Patent number 7,450,138
- Issue date Nov 11, 2008
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cleaning unit with a light beam path for the passage of a light beam
- Patent number 7,257,350
- Issue date Aug 14, 2007
- Ricoh Company, Ltd.
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, and method of correcting timing for genera...
- Patent number 7,247,840
- Issue date Jul 24, 2007
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Belt apparatus used in image formation, and an image formation appa...
- Patent number 7,149,446
- Issue date Dec 12, 2006
- Ricoh Company, Ltd.
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-station type color image forming apparatus with separately repl...
- Patent number 7,123,858
- Issue date Oct 17, 2006
- Ricoh Company, Ltd.
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with components removable in preselected di...
- Patent number 7,082,274
- Issue date Jul 25, 2006
- Ricoh Company, Ltd.
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording method and apparatus with an intermediate transfer medium...
- Patent number 7,070,269
- Issue date Jul 4, 2006
- Ricoh Company, Ltd.
- Kiyoshi Tanikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical scanning device and image forming apparatus
- Patent number 6,933,959
- Issue date Aug 23, 2005
- Ricoh Company, Ltd.
- Akira Kojima
- G02 - OPTICS
Information Patent Grant
Belt apparatus used in image formation, and an image formation appa...
- Patent number 6,920,291
- Issue date Jul 19, 2005
- Ricoh Company, Ltd.
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,919,911
- Issue date Jul 19, 2005
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and device for writing control and image forming device
- Patent number 6,891,554
- Issue date May 10, 2005
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a plurality of developing means arou...
- Patent number 6,842,598
- Issue date Jan 11, 2005
- Ricoh Company, Ltd.
- Hideaki Kibune
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt apparatus used in image formation, and an image formation appa...
- Patent number 6,839,531
- Issue date Jan 4, 2005
- Ricoh Company, Ltd.
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording method and apparatus with an intermediate transfer medium...
- Patent number 6,837,578
- Issue date Jan 4, 2005
- Ricoh Company, Ltd.
- Kiyoshi Tanikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus with selectively lockable intermediate memb...
- Patent number 6,832,061
- Issue date Dec 14, 2004
- Ricoh Company, Ltd.
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus and method of alternating developing units
- Patent number 6,718,151
- Issue date Apr 6, 2004
- Ricoh Company, Limited
- Hideaki Kibune
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including components mounted and/or dismoun...
- Patent number 6,674,982
- Issue date Jan 6, 2004
- Ricoh Company, Ltd.
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording method and apparatus with an intermediate transfer medium...
- Patent number 6,623,816
- Issue date Sep 23, 2003
- Ricoh Company, Ltd.
- Kiyoshi Tanikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Powder composition and process of forming liquid ink image using same
- Patent number 6,439,713
- Issue date Aug 27, 2002
- Ricoh Company, Ltd.
- Aino Noguchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Ink-jet recording of images with improved clarity of images
- Patent number 6,402,317
- Issue date Jun 11, 2002
- Ricoh Company, Ltd.
- Nobuyuki Yanagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming system, intermediate transfer medium and method with...
- Patent number 6,396,528
- Issue date May 28, 2002
- Ricoh Company, Ltd.
- Nobuyuki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multicolor image forming method and apparatus using an intermediate...
- Patent number 6,332,066
- Issue date Dec 18, 2001
- Ricoh Company, Ltd.
- Nobuyuki Yanagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus selectively operating one of a plurality of...
- Patent number 6,292,641
- Issue date Sep 18, 2001
- Ricoh Company, Ltd.
- Yoshinobu Takeyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CONTROLLING TIMING FOR STARTING IMAGE FORMATION
- Publication number 20090028588
- Publication date Jan 29, 2009
- Yoshinobu Takeyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE CARRIER TONER UNIT AND IMAGE FORMING APPARATUS
- Publication number 20070154235
- Publication date Jul 5, 2007
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Two-station type color image forming apparatus with separately repl...
- Publication number 20070036579
- Publication date Feb 15, 2007
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having a simple cassette of image bearing p...
- Publication number 20060204277
- Publication date Sep 14, 2006
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus capable of effectively matching regis...
- Publication number 20060192838
- Publication date Aug 31, 2006
- Shingo Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Controlling timing for starting image formation
- Publication number 20060187489
- Publication date Aug 24, 2006
- Yoshinobu Takeyama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for image forming capable of synthesizing a fu...
- Publication number 20050285922
- Publication date Dec 29, 2005
- Shingo Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20050264639
- Publication date Dec 1, 2005
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Two-station type color image forming apparatus with separately repl...
- Publication number 20050244187
- Publication date Nov 3, 2005
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Belt apparatus used in image formation, and an image formation appa...
- Publication number 20050226643
- Publication date Oct 13, 2005
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Recording method and apparatus with an intermediate transfer medium...
- Publication number 20050068398
- Publication date Mar 31, 2005
- Kiyoshi Tanikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Image forming apparatus
- Publication number 20050030365
- Publication date Feb 10, 2005
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20050002686
- Publication date Jan 6, 2005
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Two-station type color image forming apparatus
- Publication number 20040258433
- Publication date Dec 23, 2004
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus with improved capability of image superposi...
- Publication number 20040239745
- Publication date Dec 2, 2004
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Belt apparatus used in image formation, and an image formation appa...
- Publication number 20040202486
- Publication date Oct 14, 2004
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus having a plurality of developing means arou...
- Publication number 20040067075
- Publication date Apr 8, 2004
- Hideaki Kibune
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, and method of correcting timing for genera...
- Publication number 20040056178
- Publication date Mar 25, 2004
- Yoshinobu Takeyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Recording method and apparatus with an intermediate transfer medium...
- Publication number 20040036754
- Publication date Feb 26, 2004
- Kiyoshi Tanikawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method and device for writing control and image forming device
- Publication number 20030169325
- Publication date Sep 11, 2003
- Yoshinobu Takeyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Two-station type color image forming apparatus
- Publication number 20030091366
- Publication date May 15, 2003
- Masanori Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method of and apparatus for forming image
- Publication number 20020186987
- Publication date Dec 12, 2002
- Hideaki Kibune
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical scanning device and image forming apparatus
- Publication number 20020051272
- Publication date May 2, 2002
- Ricoh Company, Ltd.
- Akira Kojima
- G02 - OPTICS
Information Patent Application
Image forming apparatus
- Publication number 20020037178
- Publication date Mar 28, 2002
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ink-jet recording of images with improved clarity of images
- Publication number 20010038409
- Publication date Nov 8, 2001
- RICOH COMPANY, LTD.
- Nobuyuki Yanagawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Belt apparatus used in image formation, and an image formation appa...
- Publication number 20010028812
- Publication date Oct 11, 2001
- RICOH COMPANY, LTD.
- Masanori Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Nobuyuki Yanagawa

Person

Patents Grantslast 30 patents

Controlling timing for starting image formation

Image forming apparatus

Color image forming apparatus capable of effectively matching regis...

Image forming apparatus having a simple cassette of image bearing p...

Image carrier toner unit and image forming apparatus

Method and apparatus for image forming capable of synthesizing a fu...

Image forming apparatus with improved capability of image superposi...

Controlling timing for starting image formation

Cleaning unit with a light beam path for the passage of a light beam

Image forming apparatus, and method of correcting timing for genera...

Belt apparatus used in image formation, and an image formation appa...

Two-station type color image forming apparatus with separately repl...

Image forming apparatus with components removable in preselected di...

Recording method and apparatus with an intermediate transfer medium...

Optical scanning device and image forming apparatus

Belt apparatus used in image formation, and an image formation appa...

Image forming apparatus

Method and device for writing control and image forming device

Image forming apparatus having a plurality of developing means arou...

Belt apparatus used in image formation, and an image formation appa...

Recording method and apparatus with an intermediate transfer medium...

Image forming apparatus with selectively lockable intermediate memb...

Image formation apparatus and method of alternating developing units

Image forming apparatus including components mounted and/or dismoun...

Recording method and apparatus with an intermediate transfer medium...

Powder composition and process of forming liquid ink image using same

Ink-jet recording of images with improved clarity of images

Image forming system, intermediate transfer medium and method with...

Multicolor image forming method and apparatus using an intermediate...

Image forming apparatus selectively operating one of a plurality of...

Patents Applicationslast 30 patents

CONTROLLING TIMING FOR STARTING IMAGE FORMATION

IMAGE CARRIER TONER UNIT AND IMAGE FORMING APPARATUS

Two-station type color image forming apparatus with separately repl...

Image forming apparatus having a simple cassette of image bearing p...

Color image forming apparatus capable of effectively matching regis...

Controlling timing for starting image formation

Method and apparatus for image forming capable of synthesizing a fu...

Image forming apparatus

Two-station type color image forming apparatus with separately repl...

Belt apparatus used in image formation, and an image formation appa...

Recording method and apparatus with an intermediate transfer medium...

Image forming apparatus

Image forming apparatus

Two-station type color image forming apparatus

Image forming apparatus with improved capability of image superposi...

Belt apparatus used in image formation, and an image formation appa...

Image forming apparatus having a plurality of developing means arou...

Image forming apparatus, and method of correcting timing for genera...

Recording method and apparatus with an intermediate transfer medium...

Method and device for writing control and image forming device

Two-station type color image forming apparatus

Method of and apparatus for forming image

Optical scanning device and image forming apparatus

Image forming apparatus

Ink-jet recording of images with improved clarity of images

Belt apparatus used in image formation, and an image formation appa...