Masami OKAMOTO

Person

Yamato city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,488,774
- Issue date Nov 26, 2019
- Ricoh Company, Ltd.
- Daisuke Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Separation member, separation device, fixing device, and image form...
- Patent number 10,481,530
- Issue date Nov 19, 2019
- Ricoh Company, Ltd.
- Seiji Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,394,169
- Issue date Aug 27, 2019
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,095,166
- Issue date Oct 9, 2018
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,088,786
- Issue date Oct 2, 2018
- Ricoh Company, Ltd.
- Keisuke Kubota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including a fixing belt,...
- Patent number 10,012,937
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Shuutaroh Yuasa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 10,012,936
- Issue date Jul 3, 2018
- Ricoh Company, Ltd.
- Kensuke Yamaji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with a movable presser wh...
- Patent number 9,996,035
- Issue date Jun 12, 2018
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus that include a separation...
- Patent number 9,939,761
- Issue date Apr 10, 2018
- Ricoh Company, Ltd.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,733,600
- Issue date Aug 15, 2017
- Ricoh Company, Ltd.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,519,249
- Issue date Dec 13, 2016
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a separator to separate a recording medium...
- Patent number 9,389,560
- Issue date Jul 12, 2016
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,316,979
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus that include a separator...
- Patent number 9,268,276
- Issue date Feb 23, 2016
- Ricoh Company, Ltd.
- Fumihiro Hirose
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,244,431
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Yuuki Kikushima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,207,633
- Issue date Dec 8, 2015
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing device control method, and image forming appa...
- Patent number 8,712,264
- Issue date Apr 29, 2014
- Ricoh Company, Ltd.
- Masami Okamoto
- 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
Fixing device and image forming apparatus
- Patent number 8,503,898
- Issue date Aug 6, 2013
- Ricoh Company, Ltd.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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
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
Electric power supply control device, heating device and fixing device
- Patent number 7,683,297
- Issue date Mar 23, 2010
- 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

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20190271927
- Publication date Sep 5, 2019
- Daisuke Inoue
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SEPARATION MEMBER, SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORM...
- Publication number 20180299809
- Publication date Oct 18, 2018
- Seiji Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20180081309
- Publication date Mar 22, 2018
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170357197
- Publication date Dec 14, 2017
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269522
- Publication date Sep 21, 2017
- RICOH COMPANY, LTD.
- Keisuke KUBOTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269525
- Publication date Sep 21, 2017
- Masami OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269524
- Publication date Sep 21, 2017
- Kensuke YAMAJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20170269526
- Publication date Sep 21, 2017
- Shuutaroh YUASA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160306304
- Publication date Oct 20, 2016
- RICOH COMPANY, LTD.
- Kaori HEMMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160306306
- Publication date Oct 20, 2016
- RICOH COMPANY, LTD.
- Kenji Nozawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20160209789
- Publication date Jul 21, 2016
- Ricoh Company, Ltd.
- Kenji NOZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160170348
- Publication date Jun 16, 2016
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160170350
- Publication date Jun 16, 2016
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160139549
- Publication date May 19, 2016
- Kenji NOZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160070218
- Publication date Mar 10, 2016
- RICOH COMPANY, LTD.
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261154
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Kenji NOZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261183
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Yuuki KIKUSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150253708
- Publication date Sep 10, 2015
- Fumihiro HIROSE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150093128
- Publication date Apr 2, 2015
- RICOH COMPANY, LTD.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, FIXING DEVICE CONTROL METHOD, AND IMAGE FORMING APPA...
- Publication number 20120237229
- Publication date Sep 20, 2012
- RICOH COMPANY, LTD.
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110222879
- Publication date Sep 15, 2011
- Masami Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS
- Publication number 20110097122
- Publication date Apr 28, 2011
- Masami OKAMOTO
- 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
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
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

Masami OKAMOTO

Person

Patents Grantslast 30 patents

Image forming apparatus and image forming method

Separation member, separation device, fixing device, and image form...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device and image forming apparatus including a fixing belt,...

Fixing device and image forming apparatus

Fixing device and image forming apparatus with a movable presser wh...

Fixing device and image forming apparatus that include a separation...

Fixing device and image forming apparatus

Fixing device and image forming apparatus

Fixing device including a separator to separate a recording medium...

Fixing device and image forming apparatus

Fixing device and image forming apparatus that include a separator...

Fixing device and image forming apparatus

Fixing device and image forming apparatus incorporating same

Fixing device, fixing device control method, and image forming appa...

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

Fixing device and image forming apparatus

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

Heater, fixing unit and image forming apparatus

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

Electric power supply control device, heating device and fixing device

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,...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

SEPARATION MEMBER, SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORM...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS

SHEET SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE, FIXING DEVICE CONTROL METHOD, AND IMAGE FORMING APPA...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE, IMAGE FORMING APPARATUS

HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS

HEATER, FIXING UNIT AND IMAGE FORMING APPARATUS

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...