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Patents Grants
last 30 patents
Information
Patent Grant
Cleaner for cleaning droplet ejector, and particulate material prod...
Patent number
10,268,131
Issue date
Apr 23, 2019
Ricoh Company, Ltd.
Yasutada Shitara
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Three-dimensional object formation powder material, three-dimension...
Patent number
10,226,918
Issue date
Mar 12, 2019
Ricoh Company, Ltd.
Yoshihiro Norikane
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for cleaning droplet ejector, cleaner for cleaning droplet e...
Patent number
9,539,600
Issue date
Jan 10, 2017
Ricoh Company, Ltd.
Yasutada Shitara
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Particulate material production method, and particulate material pr...
Patent number
9,195,156
Issue date
Nov 24, 2015
Ricoh Company, Ltd.
Ryota Inoue
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Particulate material production method and apparatus, toner product...
Patent number
9,170,508
Issue date
Oct 27, 2015
Ricoh Company, Ltd.
Kiyotada Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Particulate material production apparatus, and particulate material...
Patent number
9,141,010
Issue date
Sep 22, 2015
Ricoh Company, Ltd.
Kiyotada Katoh
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for manufacturing fine particles and toner
Patent number
9,056,296
Issue date
Jun 16, 2015
Ricoh Company, Ltd.
Satoshi Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for producing toner for developing electrostatic image and a...
Patent number
9,023,572
Issue date
May 5, 2015
Ricoh Company, Ltd.
Takahiro Honda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Droplet discharging device and particle manufacturing device
Patent number
8,919,902
Issue date
Dec 30, 2014
Ricoh Company, Ltd.
Shinji Aoki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Particulate production apparatus and particulate production method,...
Patent number
8,828,285
Issue date
Sep 9, 2014
Ricoh Company, Ltd.
Kiyotada Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of manufacturing toner, apparatus for manufacturing toner, a...
Patent number
8,765,349
Issue date
Jul 1, 2014
Ricoh Company, Ltd.
Yoshihiro Norikane
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method and apparatus for producing toner
Patent number
8,758,973
Issue date
Jun 24, 2014
Ricoh Company, Ltd.
Keiji Makabe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of manufacturing toner
Patent number
8,709,697
Issue date
Apr 29, 2014
Ricoh Company, Ltd.
Yoshihiro Norikane
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of manufacturing toner
Patent number
8,679,723
Issue date
Mar 25, 2014
Ricoh Company, Ltd.
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Particulate material production method and apparatus, toner product...
Patent number
8,673,534
Issue date
Mar 18, 2014
Ricoh Company, Ltd.
Kiyotada Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner
Patent number
8,663,888
Issue date
Mar 4, 2014
Ricoh Company, Ltd.
Yasutada Shitara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for manufacturing toner and toner
Patent number
8,652,744
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Watanabe Yohichiroh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing toner and toner
Patent number
8,445,172
Issue date
May 21, 2013
Ricoh Company, Ltd.
Yasutada Shitara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method, image forming apparatus, and toner
Patent number
8,377,618
Issue date
Feb 19, 2013
Ricoh Company Limited
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming system
Patent number
8,364,065
Issue date
Jan 29, 2013
Ricoh Company, Ltd.
Takashi Bisaiji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
8,357,481
Issue date
Jan 22, 2013
Ricoh Company, Limited
Hiroyuki Kishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, and image forming method
Patent number
8,084,176
Issue date
Dec 27, 2011
Ricoh Company, Ltd.
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for manufacturing toner and toner
Patent number
8,034,526
Issue date
Oct 11, 2011
Ricoh Company Limited
Yohichiroh Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, toner, and process cartridge
Patent number
8,012,659
Issue date
Sep 6, 2011
Ricoh Company Limited
Hyo Shu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, image forming apparatus using the same, image forming method...
Patent number
8,007,974
Issue date
Aug 30, 2011
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming method
Patent number
7,901,861
Issue date
Mar 8, 2011
Ricoh Company Limited
Yasutada Shitara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method and process cartridge
Patent number
7,892,718
Issue date
Feb 22, 2011
Ricoh Company, Ltd.
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, and process cartridge
Patent number
7,873,304
Issue date
Jan 18, 2011
Ricoh Company, Ltd.
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer, and image forming apparatus, image forming met...
Patent number
7,862,973
Issue date
Jan 4, 2011
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, and process cartridge
Patent number
7,718,340
Issue date
May 18, 2010
Ricoh Company, Ltd.
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR CLEANING DROPLET EJECTOR, CLEANER FOR CLEANING DROPLET E...
Publication number
20170050204
Publication date
Feb 23, 2017
RICOH COMPANY, LTD.
Yasutada SHITARA
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
THREE-DIMENSIONAL OBJECT FORMATION POWDER MATERIAL, THREE-DIMENSION...
Publication number
20160040025
Publication date
Feb 11, 2016
Yoshihiro NORIKANE
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
PARTICULATE MATERIAL PRODUCTION METHOD, AND PARTICULATE MATERIAL PR...
Publication number
20140242514
Publication date
Aug 28, 2014
Ryota Inoue
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PARTICULATE MATERIAL PRODUCTION METHOD AND APPARATUS, TONER PRODUCT...
Publication number
20140141110
Publication date
May 22, 2014
Kiyotada Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR CLEANING DROPLET EJECTOR, CLEANER FOR CLEANING DROPLET E...
Publication number
20140097267
Publication date
Apr 10, 2014
RICOH COMPANY, LTD.
Yasutada Shitara
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
PARTICULATE MATERIAL PRODUCTION APPARATUS, AND PARTICULATE MATERIAL...
Publication number
20140038100
Publication date
Feb 6, 2014
Kiyotada KATOH
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
APPARATUS FOR MANUFACTURING FINE PARTICLES AND TONER
Publication number
20130273188
Publication date
Oct 17, 2013
Satoshi TAKAHASHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DROPLET DISCHARGING DEVICE AND PARTICLE MAUNFACTURING DEVICE
Publication number
20130241983
Publication date
Sep 19, 2013
RICOH COMPANY, LTD.
Shinji Aoki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PARTICULATE PRODUCTION APPARATUS AND PARTICULATE PRODUCTION METHOD,...
Publication number
20130069263
Publication date
Mar 21, 2013
Kiyotada Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD OF MANUFACTURING TONER, APPARATUS FOR MANUFACTURING TONER, A...
Publication number
20130034810
Publication date
Feb 7, 2013
Yoshihiro NORIKANE
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PARTICULATE MATERIAL PRODUCTION METHOD AND APPARATUS, TONER PRODUCT...
Publication number
20120270147
Publication date
Oct 25, 2012
Kiyotada Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD OF MANUFACTURING TONER
Publication number
20120264049
Publication date
Oct 18, 2012
Minoru Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD AND APPARATUS FOR PRODUCING TONER
Publication number
20120070777
Publication date
Mar 22, 2012
Keiji Makabe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD FOR MANUFACTURING TONER AND TONER
Publication number
20110305987
Publication date
Dec 15, 2011
Watanabe YOHICHIROH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER
Publication number
20110151370
Publication date
Jun 23, 2011
Yasutada SHITARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND APPARATUS
Publication number
20110091245
Publication date
Apr 21, 2011
Yasutada Shitara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and image forming system
Publication number
20110064489
Publication date
Mar 17, 2011
Ricoh Company, Ltd.
Takashi Bisaiji
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD OF MANUFACTURING TONER
Publication number
20110014565
Publication date
Jan 20, 2011
Yoshihiro NORIKANE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR PRODUCING TONER FOR DEVELOPING ELECTROSTATIC IMAGE AND A...
Publication number
20100297548
Publication date
Nov 25, 2010
Takahiro Honda
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PRODUCING TONER AND TONER
Publication number
20100227267
Publication date
Sep 9, 2010
Yasutada SHITARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND DEVELOPER
Publication number
20100068644
Publication date
Mar 18, 2010
Hisashi Nakajima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
Publication number
20100067958
Publication date
Mar 18, 2010
Hiroyuki KISHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING METHOD
Publication number
20090297973
Publication date
Dec 3, 2009
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
Publication number
20090175658
Publication date
Jul 9, 2009
RICOH COMPANY, LTD.
Yasuaki Iwamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, TONER, AND PROCESS CARTRIDGE
Publication number
20090155706
Publication date
Jun 18, 2009
Hyo SHU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING METHOD AND APPARATUS
Publication number
20090142677
Publication date
Jun 4, 2009
Yasutada Shitara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND TONER
Publication number
20090075195
Publication date
Mar 19, 2009
Hyo SHU
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING APPARATUS USING THE SAME, IMAGE FORMING METHOD...
Publication number
20080261131
Publication date
Oct 23, 2008
Shinya NAKAYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND DEVELOPER, AND IMAGE FORMING APPARATUS, IMAGE FORMING MET...
Publication number
20080118855
Publication date
May 22, 2008
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR MANUFACTURING TONER AND TONER
Publication number
20080063971
Publication date
Mar 13, 2008
Yohichiroh WATANABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY