Noboru Sawayama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and impact position displacement correction...
- Patent number 8,186,799
- Issue date May 29, 2012
- Ricoh Company, Ltd.
- Tetsu Morino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid-jet device, image forming apparatus, and method for adjustin...
- Patent number 8,157,342
- Issue date Apr 17, 2012
- Ricoh Company, Ltd.
- Tetsu Morino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus and defective nozzle detection method
- Patent number 8,066,348
- Issue date Nov 29, 2011
- Ricoh Company, Ltd.
- Tetsuro Hirota
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus and method of correcting deviation of shoot...
- Patent number 7,992,953
- Issue date Aug 9, 2011
- Ricoh Company, Ltd.
- Mamoru Yorimoto
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus, landing position shift correction method,...
- Patent number 7,914,096
- Issue date Mar 29, 2011
- Ricoh Company, Ltd.
- Takumi Hagiwara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Optical sensor and image forming apparatus that processes specular...
- Patent number 7,655,936
- Issue date Feb 2, 2010
- Ricoh Company, Ltd.
- Noboru Sawayama
- G01 - MEASURING TESTING
Information Patent Grant
Image forming method and apparatus with improved conversion capabil...
- Patent number 7,551,866
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Naoto Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Alignment pattern detecting sensor, method of determining acceptanc...
- Patent number 7,438,379
- Issue date Oct 21, 2008
- Ricoh Company, Ltd.
- Hitoshi Ishibashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image-information detecting device and image forming apparatus
- Patent number 7,260,335
- Issue date Aug 21, 2007
- Ricoh Company, Limited
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively detec...
- Patent number 7,251,420
- Issue date Jul 31, 2007
- Ricoh Company, Ltd.
- Kohta Fujimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of controlling image...
- Patent number 7,228,081
- Issue date Jun 5, 2007
- Ricoh Co., Ltd.
- Shin Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Alignment pattern detecting sensor, method of determining acceptanc...
- Patent number 7,055,928
- Issue date Jun 6, 2006
- Ricoh Company, Ltd.
- Hitoshi Ishibashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 6,798,996
- Issue date Sep 28, 2004
- Ricoh Company, Ltd.
- Masaichi Sawada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrophotographic image formation apparatus
- Patent number 6,771,389
- Issue date Aug 3, 2004
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Permeability detection apparatus, image forming apparatus or digita...
- Patent number 6,665,503
- Issue date Dec 16, 2003
- Ricoh Company, Ltd.
- Noboru Sawayama
- G01 - MEASURING TESTING
Information Patent Grant
Electrophotographic image forming apparatus, cleaning unit for the...
- Patent number 6,415,129
- Issue date Jul 2, 2002
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus to form smooth image with inconspicuous gra...
- Patent number 6,342,910
- Issue date Jan 29, 2002
- Ricoh Company, Ltd.
- Koji Sakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method for forming color...
- Patent number 6,249,304
- Issue date Jun 19, 2001
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color toner density sensor and image forming apparatus using the same
- Patent number 5,761,570
- Issue date Jun 2, 1998
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and device for correcting a position for writing an image on...
- Patent number 5,729,353
- Issue date Mar 17, 1998
- Ricoh Company, Ltd.
- Noboru Sawayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color toner density sensor and image forming apparatus using the same
- Patent number 5,630,195
- Issue date May 13, 1997
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and device for correcting a position for writing an image
- Patent number 5,627,649
- Issue date May 6, 1997
- Ricoh Company, Ltd.
- Noboru Sawayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming method and apparatus for the same
- Patent number 5,424,809
- Issue date Jun 13, 1995
- Ricoh Comapany, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for image forming equipment
- Patent number 5,384,628
- Issue date Jan 24, 1995
- Ricoh Company, Ltd.
- Nobuo Takami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Testing image density to control toner concentration and dynamic ra...
- Patent number 5,298,944
- Issue date Mar 29, 1994
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for controlling the dynamic range of an image
- Patent number 5,293,198
- Issue date Mar 8, 1994
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming equipment having improved toner sensing
- Patent number 5,270,783
- Issue date Dec 14, 1993
- Ricoh Company, Ltd.
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming equipment responsive to changes in ambient cond...
- Patent number 5,237,369
- Issue date Aug 17, 1993
- Ricoh Company, Ltd.
- Takayuki Maruta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus which controls develope...
- Patent number 5,227,842
- Issue date Jul 13, 1993
- Ricoh Company, Ltd.
- Kouji Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner density sensing device for image forming equipment
- Patent number 5,157,440
- Issue date Oct 20, 1992
- Ricoh Company, Ltd.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND DEFECTIVE NOZZLE DETECTION METHOD
- Publication number 20090015621
- Publication date Jan 15, 2009
- Tetsuro Hirota
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS, METHOD FOR CORRECTING DISPLACEMENT OF LAND...
- Publication number 20080231649
- Publication date Sep 25, 2008
- Kenichi Kawabata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS AND IMPACT POSITION DISPLACEMENT CORRECTION...
- Publication number 20080225067
- Publication date Sep 18, 2008
- RICOH COMPANY, LTD.
- Tetsu Morino
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS, LANDING POSITION SHIFT CORRECTION METHOD,...
- Publication number 20080225098
- Publication date Sep 18, 2008
- Takumi HAGIWARA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID-JET DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR ADJUSTIN...
- Publication number 20080225068
- Publication date Sep 18, 2008
- RICOH COMPANY, LTD.
- Tetsu MORINO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CORRECTING DEVIATION OF SHOOT...
- Publication number 20080225066
- Publication date Sep 18, 2008
- RICOH COMPANY, LTD.
- Mamoru YORIMOTO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS
- Publication number 20080170220
- Publication date Jul 17, 2008
- Noboru Sawayama
- G01 - MEASURING TESTING
Information Patent Application
Image forming method and apparatus with improved conversion capabil...
- Publication number 20070019976
- Publication date Jan 25, 2007
- Naoto Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Alignment pattern detecting sensor, method of determining acceptanc...
- Publication number 20060222419
- Publication date Oct 5, 2006
- Hitoshi Ishibashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image-information detecting device and image forming apparatus
- Publication number 20060024076
- Publication date Feb 2, 2006
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of effectively detec...
- Publication number 20060002724
- Publication date Jan 5, 2006
- Kohta Fujimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of controlling image...
- Publication number 20050207766
- Publication date Sep 22, 2005
- RICOH COMPANY, LIMITED
- Shin Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Optical sensor and image forming apparatus
- Publication number 20040251435
- Publication date Dec 16, 2004
- Noboru Sawayama
- G01 - MEASURING TESTING
Information Patent Application
Alignment pattern detecting sensor, method of determining acceptanc...
- Publication number 20040165025
- Publication date Aug 26, 2004
- Hitoshi Ishibashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus
- Publication number 20030180057
- Publication date Sep 25, 2003
- Masaichi Sawada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Permeability detection apparatus, image forming apparatus or digita...
- Publication number 20020154918
- Publication date Oct 24, 2002
- Noboru Sawayama
- G01 - MEASURING TESTING
Information Patent Application
Electrophotographic image forming apparatus, cleaning unit for the...
- Publication number 20010022910
- Publication date Sep 20, 2001
- RICOH COMPANY, LTD.
- Noboru Sawayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Noboru Sawayama

Person

Patents Grantslast 30 patents

Image forming apparatus and impact position displacement correction...

Liquid-jet device, image forming apparatus, and method for adjustin...

Image forming apparatus and defective nozzle detection method

Image forming apparatus and method of correcting deviation of shoot...

Image forming apparatus, landing position shift correction method,...

Optical sensor and image forming apparatus that processes specular...

Image forming method and apparatus with improved conversion capabil...

Alignment pattern detecting sensor, method of determining acceptanc...

Image-information detecting device and image forming apparatus

Method and apparatus for image forming capable of effectively detec...

Method and apparatus for image forming capable of controlling image...

Alignment pattern detecting sensor, method of determining acceptanc...

Image forming apparatus

Electrophotographic image formation apparatus

Permeability detection apparatus, image forming apparatus or digita...

Electrophotographic image forming apparatus, cleaning unit for the...

Image forming apparatus to form smooth image with inconspicuous gra...

Image forming apparatus and image forming method for forming color...

Color toner density sensor and image forming apparatus using the same

Method and device for correcting a position for writing an image on...

Color toner density sensor and image forming apparatus using the same

Method and device for correcting a position for writing an image

Image forming method and apparatus for the same

Developing device for image forming equipment

Testing image density to control toner concentration and dynamic ra...

Image forming apparatus for controlling the dynamic range of an image

Image forming equipment having improved toner sensing

Color image forming equipment responsive to changes in ambient cond...

Electrophotographic image forming apparatus which controls develope...

Toner density sensing device for image forming equipment

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND DEFECTIVE NOZZLE DETECTION METHOD

IMAGE FORMING APPARATUS, METHOD FOR CORRECTING DISPLACEMENT OF LAND...

IMAGE FORMING APPARATUS AND IMPACT POSITION DISPLACEMENT CORRECTION...

IMAGE FORMING APPARATUS, LANDING POSITION SHIFT CORRECTION METHOD,...

LIQUID-JET DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR ADJUSTIN...

IMAGE FORMING APPARATUS AND METHOD OF CORRECTING DEVIATION OF SHOOT...

OPTICAL SENSOR AND IMAGE FORMING APPARATUS

Image forming method and apparatus with improved conversion capabil...

Alignment pattern detecting sensor, method of determining acceptanc...

Image-information detecting device and image forming apparatus

Method and apparatus for image forming capable of effectively detec...

Method and apparatus for image forming capable of controlling image...

Optical sensor and image forming apparatus

Alignment pattern detecting sensor, method of determining acceptanc...

Image forming apparatus

Permeability detection apparatus, image forming apparatus or digita...

Electrophotographic image forming apparatus, cleaning unit for the...