Akiyasu Amita

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 11,809,107
- Issue date Nov 7, 2023
- Ricoh Company, Ltd.
- Tetsuo Tokuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,550,246
- Issue date Jan 10, 2023
- Ricoh Company, Ltd.
- Akiyasu Amita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt device and image forming apparatus incorporating same
- Patent number 11,150,583
- Issue date Oct 19, 2021
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying device, fixing device incorporating the sheet conve...
- Patent number 11,099,506
- Issue date Aug 24, 2021
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device controller, image forming apparatus, fixing device co...
- Patent number 10,488,796
- Issue date Nov 26, 2019
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 10,234,798
- Issue date Mar 19, 2019
- Ricoh Company, Ltd.
- Yohhei Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a fixing device
- Patent number 10,191,423
- Issue date Jan 29, 2019
- Ricoh Company, Ltd.
- Ryohhei Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including a rotation load...
- Patent number 9,715,201
- Issue date Jul 25, 2017
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gloss applier and image forming apparatus incorporating same
- Patent number 9,229,412
- Issue date Jan 5, 2016
- Ricoh Company, Ltd.
- Akiyasu Amita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Glossing device and image forming apparatus incorporating same
- Patent number 9,213,295
- Issue date Dec 15, 2015
- Ricoh Company, Ltd.
- Hiroyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gloss applicator and image forming apparatus including the gloss ap...
- Patent number 9,195,201
- Issue date Nov 24, 2015
- Ricoh Company, Ltd.
- Hiroyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gloss applicator and image forming apparatus including same
- Patent number 9,046,841
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Akiyasu Amita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gloss applicator and image forming apparatus including same
- Patent number 8,913,941
- Issue date Dec 16, 2014
- Ricoh Company, Ltd.
- Hiroyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,892,015
- Issue date Nov 18, 2014
- Ricoh Company, Ltd.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Glossing device, fixing device, and image forming apparatus incorpo...
- Patent number 8,849,172
- Issue date Sep 30, 2014
- Ricoh Company, Ltd.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,774,692
- Issue date Jul 8, 2014
- Ricoh Company, Ltd.
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Glossing device and image forming apparatus incorporating same
- Patent number 8,755,730
- Issue date Jun 17, 2014
- Ricoh Company, Ltd.
- Akiyasu Amita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,724,178
- Issue date May 13, 2014
- Ricoh Company, Ltd.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Glossing device, fixing device, and image forming apparatus incorpo...
- Patent number 8,688,021
- Issue date Apr 1, 2014
- Ricoh Company, Ltd.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Glossing device and image forming apparatus incorporating same
- Patent number 8,655,253
- Issue date Feb 18, 2014
- Ricoh Company, Ltd.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with gloss control unit and image forming apparatus
- Patent number 8,401,452
- Issue date Mar 19, 2013
- Ricoh Company, Limited
- Akiyasu Amita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gloss applicator and image forming apparatus
- Patent number 8,331,839
- Issue date Dec 11, 2012
- Ricoh Company, Ltd.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, fixing unit, and image forming method with...
- Patent number 8,131,198
- Issue date Mar 6, 2012
- Ricoh Co., Ltd.
- Kenji Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heater, fixing unit and image forming apparatus
- Patent number 7,957,663
- Issue date Jun 7, 2011
- Ricoh Company, Ltd.
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image fixing apparatus stably controlling a fixing temperature, and...
- Patent number 7,925,177
- Issue date Apr 12, 2011
- Ricoh Co, Ltd.
- Kenji Ishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heater, fixing unit and image forming apparatus operable with a mai...
- Patent number 7,885,569
- Issue date Feb 8, 2011
- Ricoh Company, Ltd.
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heater, fixing unit and image forming apparatus having power suppli...
- Patent number 7,609,988
- Issue date Oct 27, 2009
- Ricoh Company, Ltd.
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus and associated method of storing power
- Patent number 7,603,049
- Issue date Oct 13, 2009
- Ricoh Company, Ltd.
- Kazuhito Kishi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fixing device, image forming apparatus including the fixing device,...
- Patent number 7,565,087
- Issue date Jul 21, 2009
- Ricoh Company, Ltd.
- Susumu Matsusaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus including the fixing device,...
- Patent number 7,551,869
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME
- Publication number 20240142903
- Publication date May 2, 2024
- Akiyasu AMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20230136994
- Publication date May 4, 2023
- Tetsuo TOKUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220082968
- Publication date Mar 17, 2022
- RICOH COMPANY, LTD.
- Akiyasu AMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20210096488
- Publication date Apr 1, 2021
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20190018348
- Publication date Jan 17, 2019
- RICOH COMPANY, LTD.
- Yohhei Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET CONVEYING DEVICE, FIXING DEVICE INCORPORATING THE SHEET CONVE...
- Publication number 20190018351
- Publication date Jan 17, 2019
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CONTROLLER, IMAGE FORMING APPARATUS, FIXING DEVICE CO...
- Publication number 20190011864
- Publication date Jan 10, 2019
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180088502
- Publication date Mar 29, 2018
- Ryohhei SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170003633
- Publication date Jan 5, 2017
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSS APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING THE GLOSS AP...
- Publication number 20150086255
- Publication date Mar 26, 2015
- Hiroyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSSING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20140016975
- Publication date Jan 16, 2014
- RICOH COMPANY, LTD.
- Hiroyuki SHIMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSS APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130170882
- Publication date Jul 4, 2013
- Hiroyuki Shimada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSS APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20130149017
- Publication date Jun 13, 2013
- Akiyasu AMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130004220
- Publication date Jan 3, 2013
- RICOH COMPANY, LTD.
- Satoshi Muramatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSSING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPO...
- Publication number 20120328344
- Publication date Dec 27, 2012
- RICOH COMPANY, LTD.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSSING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120328346
- Publication date Dec 27, 2012
- Akiyasu AMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSSING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120328345
- Publication date Dec 27, 2012
- RICOH COMPANY, LTD.
- Hiroyuki KUNII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
GLOSSING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPO...
- Publication number 20120328343
- Publication date Dec 27, 2012
- RICOH COMPANY, LTD.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Gloss Applier And Image Forming Apparatus Incorporating Same
- Publication number 20120224898
- Publication date Sep 6, 2012
- RICOH COMPANY, LTD.
- Akiyasu AMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20120201579
- Publication date Aug 9, 2012
- RICOH COMPANY, LTD.
- Hiroyuki KUNII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120008153
- Publication date Jan 12, 2012
- Hiroyuki KUNII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Gloss applicator and image forming apparatus
- Publication number 20110188911
- Publication date Aug 4, 2011
- RICOH COMPANY, LTD.
- Hiroyuki Kunii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS
- Publication number 20110085815
- Publication date Apr 14, 2011
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110064494
- Publication date Mar 17, 2011
- Akiyasu AMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS
- Publication number 20090317113
- Publication date Dec 24, 2009
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS
- Publication number 20090123172
- Publication date May 14, 2009
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE,...
- Publication number 20080145088
- Publication date Jun 19, 2008
- Susumu Matsusaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070212090
- Publication date Sep 13, 2007
- Susumu Matsusaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing unit having a plurality of heaters, image forming apparatus...
- Publication number 20070036573
- Publication date Feb 15, 2007
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Heating device, fixing device and image forming apparatus
- Publication number 20070031159
- Publication date Feb 8, 2007
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Akiyasu Amita

Person

Patents Grantslast 30 patents

Fixing device and image forming apparatus incorporating same

Image forming apparatus

Belt device and image forming apparatus incorporating same

Sheet conveying device, fixing device incorporating the sheet conve...

Fixing device controller, image forming apparatus, fixing device co...

Fixing device and image forming apparatus incorporating same

Image forming apparatus including a fixing device

Fixing device and image forming apparatus including a rotation load...

Gloss applier and image forming apparatus incorporating same

Glossing device and image forming apparatus incorporating same

Gloss applicator and image forming apparatus including the gloss ap...

Gloss applicator and image forming apparatus including same

Gloss applicator and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Glossing device, fixing device, and image forming apparatus incorpo...

Fixing device and image forming apparatus incorporating same

Glossing device and image forming apparatus incorporating same

Image forming apparatus

Glossing device, fixing device, and image forming apparatus incorpo...

Glossing device and image forming apparatus incorporating same

Fixing device with gloss control unit and image forming apparatus

Gloss applicator and image forming apparatus

Image forming apparatus, fixing unit, and image forming method with...

Heater, fixing unit and image forming apparatus

Image fixing apparatus stably controlling a fixing temperature, and...

Heater, fixing unit and image forming apparatus operable with a mai...

Heater, fixing unit and image forming apparatus having power suppli...

Image formation apparatus and associated method of storing power

Fixing device, image forming apparatus including the fixing device,...

Fixing device, image forming apparatus including the fixing device,...

Patents Applicationslast 30 patents

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING THE SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

SHEET CONVEYING DEVICE, FIXING DEVICE INCORPORATING THE SHEET CONVE...

FIXING DEVICE CONTROLLER, IMAGE FORMING APPARATUS, FIXING DEVICE CO...

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

GLOSS APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING THE GLOSS AP...

GLOSSING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

GLOSS APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME

GLOSS APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

GLOSSING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPO...

GLOSSING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

GLOSSING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

GLOSSING DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS INCORPO...

Gloss Applier And Image Forming Apparatus Incorporating Same

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

Gloss applicator and image forming apparatus

HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS

HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE,...

IMAGE FORMING APPARATUS

Fixing unit having a plurality of heaters, image forming apparatus...

Heating device, fixing device and image forming apparatus