Masahiko Shakuto

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and image forming method
- Patent number 10,061,226
- Issue date Aug 28, 2018
- Ricoh Company, Ltd.
- Kazuaki Kamihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method for calculating a toner degradat...
- Patent number 9,989,876
- Issue date Jun 5, 2018
- Ricoh Company, Ltd.
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,513,574
- Issue date Dec 6, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method that remove toner...
- Patent number 9,354,588
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,310,714
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Naoyuki Ozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,298,125
- Issue date Mar 29, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,285,754
- Issue date Mar 15, 2016
- Ricoh Company, Limited
- Kentaroh Nodera
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image density control method employed b...
- Patent number 9,250,593
- Issue date Feb 2, 2016
- Ricoh Company, Ltd.
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,244,374
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming apparatus
- Patent number 9,091,969
- Issue date Jul 28, 2015
- Ricoh Company, Ltd.
- Ryuji Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,042,748
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Taichi Urayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, image forming apparatus, and method of mounti...
- Patent number 8,655,254
- Issue date Feb 18, 2014
- Ricoh Company, Limited
- Yuji Arai
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cleaning device including cleaning mechanism having noise reduction...
- Patent number 8,565,661
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 8,391,732
- Issue date Mar 5, 2013
- Ricoh Company, Limited
- Kenji Honjoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Collection container, cleaning unit, and image forming apparatus ca...
- Patent number 8,369,770
- Issue date Feb 5, 2013
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Waste toner storage unit and image forming apparatus using same
- Patent number 8,254,823
- Issue date Aug 28, 2012
- Ricoh Company, Ltd.
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Used toner collection device and image forming apparatus
- Patent number 8,185,032
- Issue date May 22, 2012
- Ricoh Company, Limited
- Hiroshi Ono
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image forming apparatus employing same
- Patent number 8,090,293
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applying device, process cartridge, and image forming app...
- Patent number 8,041,280
- Issue date Oct 18, 2011
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, process cartridge, and image forming apparatus
- Patent number 8,027,628
- Issue date Sep 27, 2011
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator and image forming apparatus including same
- Patent number 7,953,363
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Kenji Honjoh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electrophotographic photoreceptor, photoreceptor supporting device,...
- Patent number 7,844,198
- Issue date Nov 30, 2010
- Ricoh Company, Ltd.
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, cleaning device, process cartridge, and...
- Patent number 7,693,475
- Issue date Apr 6, 2010
- Ricoh Company, Ltd.
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with obtuse-edge cleaning blade
- Patent number 7,620,357
- Issue date Nov 17, 2009
- Ricoh Company, Ltd.
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, and process unit and image forming apparatus inclu...
- Patent number 7,610,008
- Issue date Oct 27, 2009
- Ricoh Company Limited
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit, process cartridge, and image-forming apparatus
- Patent number 7,415,236
- Issue date Aug 19, 2008
- Ricoh Company, Ltd.
- Tohru Nakano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device, process cartridge, and image forming apparatus tha...
- Patent number 7,415,238
- Issue date Aug 19, 2008
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using a contact or a proximity type of char...
- Patent number 7,383,013
- Issue date Jun 3, 2008
- Ricoh Company, Ltd.
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaner, and process cartridge and image forming apparatus using th...
- Patent number 7,369,807
- Issue date May 6, 2008
- Ricoh Company, Limited
- Osamu Naruse
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning blade for image formation apparatus
- Patent number 7,184,699
- Issue date Feb 27, 2007
- Ricoh Company, Ltd.
- Osamu Naruse
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170315471
- Publication date Nov 2, 2017
- Kazuaki KAMIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170199480
- Publication date Jul 13, 2017
- Mutsuki MORINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160033922
- Publication date Feb 4, 2016
- RICOH COMPANY, LIMITED
- Kentaroh NODERA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150370196
- Publication date Dec 24, 2015
- RICOH COMPANY, LTD.
- Naoyuki Ozaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
- Publication number 20150331383
- Publication date Nov 19, 2015
- RICOH COMPANY, LTD.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150139668
- Publication date May 21, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150139674
- Publication date May 21, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150117884
- Publication date Apr 30, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD EMPLOYED B...
- Publication number 20140348521
- Publication date Nov 27, 2014
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140341597
- Publication date Nov 20, 2014
- Taichi URAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20140255050
- Publication date Sep 11, 2014
- Ryuji YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Lubricant applicator, image forming apparatus, and method of mounti...
- Publication number 20110076075
- Publication date Mar 31, 2011
- Ricoh Company, Limited
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming device
- Publication number 20110052225
- Publication date Mar 3, 2011
- Ricoh Company, Limited
- Kenji Honjoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Collection container, cleaning unit, and image forming apparatus ca...
- Publication number 20100080600
- Publication date Apr 1, 2010
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device including cleaning mechanism having noise reduction...
- Publication number 20100074665
- Publication date Mar 25, 2010
- Ricoh Company, Ltd.
- Michiya Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and image forming apparatus employing same
- Publication number 20100034557
- Publication date Feb 11, 2010
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20100021205
- Publication date Jan 28, 2010
- Kenji Honjoh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
LUBRICANT APPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APP...
- Publication number 20090241830
- Publication date Oct 1, 2009
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PHOTORECEPTOR SUPPORTING DEVICE,...
- Publication number 20090180801
- Publication date Jul 16, 2009
- Nobuo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
WASTE TONER STORAGE UNIT AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20090097879
- Publication date Apr 16, 2009
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE CARRIER, AND PROCESS CARTRIDGE
- Publication number 20090022504
- Publication date Jan 22, 2009
- Nobuo KUWABARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20080286020
- Publication date Nov 20, 2008
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
USED TONER COLLECTION DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080226333
- Publication date Sep 18, 2008
- Hiroshi ONO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, CLEANING DEVICE, PROCESS CARTRIDGE, AND...
- Publication number 20070258743
- Publication date Nov 8, 2007
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS USING A CONTACT OR A PROXIMITY TYPE OF CHAR...
- Publication number 20070242992
- Publication date Oct 18, 2007
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20070003337
- Publication date Jan 4, 2007
- Masahiko Shakuto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device, and process unit and image forming apparatus inclu...
- Publication number 20060285898
- Publication date Dec 21, 2006
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device, process cartridge, and image forming apparatus
- Publication number 20060099016
- Publication date May 11, 2006
- Kazuhiko Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaner, and process cartridge and image forming apparatus using th...
- Publication number 20050254868
- Publication date Nov 17, 2005
- Osamu Naruse
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device for image formation apparatus
- Publication number 20050100375
- Publication date May 12, 2005
- Osamu Naruse
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masahiko Shakuto

Person

Patents Grantslast 30 patents

Image forming apparatus and image forming method

Image forming apparatus and method for calculating a toner degradat...

Image forming apparatus

Image forming apparatus and image forming method that remove toner...

Image forming apparatus

Image forming apparatus and image forming method

Image forming apparatus

Image forming apparatus and image density control method employed b...

Image forming apparatus

Electrophotographic image forming apparatus

Image forming apparatus

Lubricant applicator, image forming apparatus, and method of mounti...

Cleaning device including cleaning mechanism having noise reduction...

Image forming device

Collection container, cleaning unit, and image forming apparatus ca...

Waste toner storage unit and image forming apparatus using same

Used toner collection device and image forming apparatus

Process cartridge and image forming apparatus employing same

Lubricant applying device, process cartridge, and image forming app...

Cleaning device, process cartridge, and image forming apparatus

Lubricant applicator and image forming apparatus including same

Electrophotographic photoreceptor, photoreceptor supporting device,...

Lubricant supplying device, cleaning device, process cartridge, and...

Image forming apparatus with obtuse-edge cleaning blade

Cleaning device, and process unit and image forming apparatus inclu...

Cleaning unit, process cartridge, and image-forming apparatus

Cleaning device, process cartridge, and image forming apparatus tha...

Image forming apparatus using a contact or a proximity type of char...

Cleaner, and process cartridge and image forming apparatus using th...

Cleaning blade for image formation apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD EMPLOYED B...

IMAGE FORMING APPARATUS

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

Lubricant applicator, image forming apparatus, and method of mounti...

Image forming device

Collection container, cleaning unit, and image forming apparatus ca...

Cleaning device including cleaning mechanism having noise reduction...

Process cartridge and image forming apparatus employing same

LUBRICANT APPLICATOR AND IMAGE FORMING APPARATUS INCLUDING SAME

LUBRICANT APPLYING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APP...

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PHOTORECEPTOR SUPPORTING DEVICE,...

WASTE TONER STORAGE UNIT AND IMAGE FORMING APPARATUS USING SAME

IMAGE FORMING APPARATUS, IMAGE CARRIER, AND PROCESS CARTRIDGE

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

USED TONER COLLECTION DEVICE AND IMAGE FORMING APPARATUS

LUBRICANT SUPPLYING DEVICE, CLEANING DEVICE, PROCESS CARTRIDGE, AND...

IMAGE FORMING APPARATUS USING A CONTACT OR A PROXIMITY TYPE OF CHAR...

Image forming apparatus

Cleaning device, and process unit and image forming apparatus inclu...

Cleaning device, process cartridge, and image forming apparatus

Cleaner, and process cartridge and image forming apparatus using th...

Cleaning device for image formation apparatus