Masayoshi Nakayama

Person

Mito-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and voltage application method
- Patent number 10,599,081
- Issue date Mar 24, 2020
- Ricoh Company, Ltd.
- Masashi Tachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 10,241,462
- Issue date Mar 26, 2019
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,720,355
- Issue date Aug 1, 2017
- Ricoh Company, Ltd.
- Tatsuya Ohsugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus comprising image density detector and toner...
- Patent number 9,696,654
- Issue date Jul 4, 2017
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including electric charge removing device a...
- Patent number 9,500,978
- Issue date Nov 22, 2016
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,488,931
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Makoto Yasuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,459,564
- Issue date Oct 4, 2016
- Ricoh Company, Ltd.
- Tatsuya Ohsugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method in which a developer carrying me...
- Patent number 9,423,746
- Issue date Aug 23, 2016
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method having a forcible toner consumpt...
- Patent number 9,229,399
- Issue date Jan 5, 2016
- Ricoh Company, Ltd.
- Kazuaki Kamihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method for advanced contr...
- Patent number 8,718,498
- Issue date May 6, 2014
- Ricoh Company, Limited
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus that include a develo...
- Patent number 8,346,134
- Issue date Jan 1, 2013
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method of controlling development elect...
- Patent number 8,301,047
- Issue date Oct 30, 2012
- Ricoh Company, Ltd.
- Masaaki Imahori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus including a re-transfer unit to re-transfer a recording m...
- Patent number 8,270,856
- Issue date Sep 18, 2012
- Ricoh Company, Limited
- Takehide Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus including inclined tr...
- Patent number 8,045,893
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development apparatus having two developer bearers and two developm...
- Patent number 8,041,269
- Issue date Oct 18, 2011
- Ricoh Co., Ltd.
- Tatsuya Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Device and method for detecting life of organic photoreceptor and i...
- Patent number 8,019,239
- Issue date Sep 13, 2011
- Ricoh Company, Limited
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 8,014,706
- Issue date Sep 6, 2011
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,925,174
- Issue date Apr 12, 2011
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, process cartridge, and image forming apparatus hav...
- Patent number 7,904,001
- Issue date Mar 8, 2011
- Ricoh Company, Ltd.
- Susumu Tateyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 7,826,775
- Issue date Nov 2, 2010
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and developing device
- Patent number 7,792,466
- Issue date Sep 7, 2010
- Ricoh Company, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus
- Patent number 7,792,465
- Issue date Sep 7, 2010
- Ricoh Company, Ltd.
- Tatsuya Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device in image-forming device
- Patent number 7,580,657
- Issue date Aug 25, 2009
- Ricoh Company, Ltd.
- Susumu Tateyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using developer of particular properties suitable...
- Patent number 7,502,579
- Issue date Mar 10, 2009
- Ricoh Company, Ltd.
- Hiroyuki Mabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus
- Patent number 7,106,983
- Issue date Sep 12, 2006
- Ricoh Printing Systems, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic photographing apparatus
- Patent number 6,954,604
- Issue date Oct 11, 2005
- Ricoh Printing Systems, Ltd.
- Hisao Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND VOLTAGE APPLICATION METHOD
- Publication number 20190064719
- Publication date Feb 28, 2019
- Masashi TACHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180143581
- Publication date May 24, 2018
- Masayoshi NAKAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170003630
- Publication date Jan 5, 2017
- Tatsuya OHSUGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160291507
- Publication date Oct 6, 2016
- RICOH COMPANY, LTD.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160147174
- Publication date May 26, 2016
- Makoto YASUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160109832
- Publication date Apr 21, 2016
- Tatsuya OHSUGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS AND METHOD OF FORMING IMAGE
- Publication number 20160026109
- Publication date Jan 28, 2016
- RICOH COMPANY, LTD.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160004192
- Publication date Jan 7, 2016
- RICOH COMPANY, LTD.
- Wakana Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD
- Publication number 20150198909
- Publication date Jul 16, 2015
- RICOH COMPANY, LTD.
- Masayoshi NAKAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD
- Publication number 20150160599
- Publication date Jun 11, 2015
- Kazuaki KAMIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120027466
- Publication date Feb 2, 2012
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and image forming method
- Publication number 20110229173
- Publication date Sep 22, 2011
- RICOH COMPANY, LIMITED
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING DEVELOPMENT ELECT...
- Publication number 20100215389
- Publication date Aug 26, 2010
- Masaaki IMAHORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVICE AND METHOD FOR DETECTING LIFE OF ORGANIC PHOTORECEPTOR AND I...
- Publication number 20100129093
- Publication date May 27, 2010
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100080576
- Publication date Apr 1, 2010
- Masayoshi NAKAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus and method of image forming
- Publication number 20100040386
- Publication date Feb 18, 2010
- Takahide Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090103954
- Publication date Apr 23, 2009
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080247786
- Publication date Oct 9, 2008
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20080213006
- Publication date Sep 4, 2008
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20080199205
- Publication date Aug 21, 2008
- Tatsuya KUBO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20080199223
- Publication date Aug 21, 2008
- Susumu Tateyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20070280744
- Publication date Dec 6, 2007
- Tatsuya Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND DEVELOPING DEVICE
- Publication number 20070274742
- Publication date Nov 29, 2007
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device in image-forming device
- Publication number 20070025773
- Publication date Feb 1, 2007
- Susumu Tateyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and electrostatic recording device
- Publication number 20060045575
- Publication date Mar 2, 2006
- Hiroyuki Mabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus
- Publication number 20050063721
- Publication date Mar 24, 2005
- Hitachi Printing Solutions, Ltd.
- Masayoshi Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electronic photographing apparatus
- Publication number 20040184842
- Publication date Sep 23, 2004
- Hitachi Printing Solutions, Ltd.
- Hisao Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masayoshi Nakayama

Person

Patents Grantslast 30 patents

Image forming apparatus and voltage application method

Image forming apparatus

Image forming apparatus

Image forming apparatus comprising image density detector and toner...

Image forming apparatus including electric charge removing device a...

Image forming apparatus

Image forming apparatus

Image forming apparatus and method in which a developer carrying me...

Image forming apparatus and method having a forcible toner consumpt...

Image forming apparatus and image forming method for advanced contr...

Developing device and image forming apparatus that include a develo...

Image forming apparatus and method of controlling development elect...

Apparatus including a re-transfer unit to re-transfer a recording m...

Developing device and image forming apparatus including inclined tr...

Development apparatus having two developer bearers and two developm...

Device and method for detecting life of organic photoreceptor and i...

Developing device, process cartridge, and image forming apparatus

Image forming apparatus

Developing unit, process cartridge, and image forming apparatus hav...

Developing device and image forming apparatus

Image forming apparatus and developing device

Developing device, process cartridge, and image forming apparatus

Developing device in image-forming device

Developing device using developer of particular properties suitable...

Color image forming apparatus

Electronic photographing apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND VOLTAGE APPLICATION METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

APPARATUS AND METHOD OF FORMING IMAGE

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND METHOD

IMAGE FORMING APPARATUS AND METHOD

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

Image forming apparatus and image forming method

IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING DEVELOPMENT ELECT...

DEVICE AND METHOD FOR DETECTING LIFE OF ORGANIC PHOTORECEPTOR AND I...

IMAGE FORMING APPARATUS

Apparatus and method of image forming

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPMENT APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND DEVELOPING DEVICE

Developing device in image-forming device

Developing device and electrostatic recording device

Color image forming apparatus

Electronic photographing apparatus