Yoshihiro Sonohara

Person

Hitachi city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method capable of improving fixing quality
- Patent number 9,152,104
- Issue date Oct 6, 2015
- Ricoh Company, Limited
- Tadashi Kasai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method capable of improving fixing quality
- Patent number 9,014,580
- Issue date Apr 21, 2015
- Ricoh Company, Limited
- Tadashi Kasai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and image forming pr...
- Patent number 8,923,713
- Issue date Dec 30, 2014
- Ricoh Company, Ltd.
- Masakazu Terao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image glossing apparatus, image glossing method, and recording medi...
- Patent number 8,918,045
- Issue date Dec 23, 2014
- Ricoh Company, Ltd.
- Yoichi Sakurai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and image forming pr...
- Patent number 8,761,628
- Issue date Jun 24, 2014
- Ricoh Company, Ltd.
- Masakazu Terao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus capable of suppressing va...
- Patent number 8,699,904
- Issue date Apr 15, 2014
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 8,655,206
- Issue date Feb 18, 2014
- Ricoh Company, Ltd.
- Shinya Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming system, and image forming method
- Patent number 8,565,633
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Yoshihiro Sonohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Controller and halftone dot signal generating method capable of con...
- Patent number 8,520,261
- Issue date Aug 27, 2013
- Ricoh Company, Ltd.
- Shinya Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fixing device and image forming apparatus capable of effectively ci...
- Patent number 8,346,143
- Issue date Jan 1, 2013
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus capable of adjusting amou...
- Patent number 8,224,220
- Issue date Jul 17, 2012
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and image fixing method cap...
- Patent number 8,112,022
- Issue date Feb 7, 2012
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with improved mechanism f...
- Patent number 8,027,627
- Issue date Sep 27, 2011
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of stably applying oil for fixing
- Patent number 8,023,850
- Issue date Sep 20, 2011
- Ricoh Company, Limited
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus comprising same
- Patent number 7,945,198
- Issue date May 17, 2011
- Ricoh Company, Ltd.
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device for fixing an unfixed toner image on a recording medi...
- Patent number 7,548,718
- Issue date Jun 16, 2009
- Ricoh Company, Limited
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND METHOD CAPABLE OF IMPROVING FIXING QUALITY
- Publication number 20150205237
- Publication date Jul 23, 2015
- Tadashi KASAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD CAPABLE OF IMPROVING FIXING QUALITY
- Publication number 20130101303
- Publication date Apr 25, 2013
- Tadashi KASAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PR...
- Publication number 20130028619
- Publication date Jan 31, 2013
- Masakazu Terao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PR...
- Publication number 20130028620
- Publication date Jan 31, 2013
- Masakazu Terao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE GLOSSING APPARATUS, IMAGE GLOSSING METHOD, AND RECORDING MEDI...
- Publication number 20130011173
- Publication date Jan 10, 2013
- Yoichi SAKURAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20120134696
- Publication date May 31, 2012
- Shinya Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING SYSTEM, AND IMAGE FORMING METHOD
- Publication number 20120107004
- Publication date May 3, 2012
- Yoshihiro Sonohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTROLLER AND HALFTONE DOT SIGNAL GENERATING METHOD CAPABLE OF CON...
- Publication number 20120105915
- Publication date May 3, 2012
- Shinya KOBAYASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING VA...
- Publication number 20090274477
- Publication date Nov 5, 2009
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus capable of effectively ci...
- Publication number 20090274497
- Publication date Nov 5, 2009
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS WITH IMPROVED MECHANISM F...
- Publication number 20090274498
- Publication date Nov 5, 2009
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF STABLY APPLYING OIL FOR FIXING
- Publication number 20090274494
- Publication date Nov 5, 2009
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF ADJUSTING AMOU...
- Publication number 20090274495
- Publication date Nov 5, 2009
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device, image forming apparatus, and image fixing method cap...
- Publication number 20090274496
- Publication date Nov 5, 2009
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RELEASE-PROMOTING AGENT, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20080170896
- Publication date Jul 17, 2008
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080013995
- Publication date Jan 17, 2008
- Keisuke KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus comprising same
- Publication number 20070237554
- Publication date Oct 11, 2007
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yoshihiro Sonohara

Person

Patents Grantslast 30 patents

Image forming apparatus and method capable of improving fixing quality

Image forming apparatus and method capable of improving fixing quality

Image forming apparatus, image forming method, and image forming pr...

Image glossing apparatus, image glossing method, and recording medi...

Image forming apparatus, image forming method, and image forming pr...

Fixing device and image forming apparatus capable of suppressing va...

Image forming apparatus and image forming method

Image forming system, and image forming method

Controller and halftone dot signal generating method capable of con...

Fixing device and image forming apparatus capable of effectively ci...

Fixing device and image forming apparatus capable of adjusting amou...

Fixing device, image forming apparatus, and image fixing method cap...

Fixing device and image forming apparatus with improved mechanism f...

Image forming apparatus capable of stably applying oil for fixing

Fixing device and image forming apparatus comprising same

Fixing device for fixing an unfixed toner image on a recording medi...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND METHOD CAPABLE OF IMPROVING FIXING QUALITY

IMAGE FORMING APPARATUS AND METHOD CAPABLE OF IMPROVING FIXING QUALITY

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PR...

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND IMAGE FORMING PR...

IMAGE GLOSSING APPARATUS, IMAGE GLOSSING METHOD, AND RECORDING MEDI...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING SYSTEM, AND IMAGE FORMING METHOD

CONTROLLER AND HALFTONE DOT SIGNAL GENERATING METHOD CAPABLE OF CON...

FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF SUPPRESSING VA...

Fixing device and image forming apparatus capable of effectively ci...

FIXING DEVICE AND IMAGE FORMING APPARATUS WITH IMPROVED MECHANISM F...

IMAGE FORMING APPARATUS CAPABLE OF STABLY APPLYING OIL FOR FIXING

FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF ADJUSTING AMOU...

Fixing device, image forming apparatus, and image fixing method cap...

RELEASE-PROMOTING AGENT, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

Fixing device and image forming apparatus comprising same