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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Toner, toner accommodating unit, and image forming apparatus
Patent number
10,859,932
Issue date
Dec 8, 2020
Ricoh Company, Ltd.
Tsuyoshi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Layered inorganic mineral, toner, and image forming apparatus
Patent number
10,088,766
Issue date
Oct 2, 2018
Ricoh Company, Ltd.
Hideyuki Santo
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Toner, developer, and image formation device
Patent number
9,921,503
Issue date
Mar 20, 2018
Ricoh Company, Ltd.
Hiroshi Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, toner stored unit, image forming apparatus, and image formin...
Patent number
9,880,479
Issue date
Jan 30, 2018
Ricoh Company, Ltd.
Hideyuki Santoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, image forming apparatus, and image forming method
Patent number
9,851,649
Issue date
Dec 26, 2017
Ricoh Company, Ltd.
Keiji Makabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyester resin for toner, toner, developer, and image formation de...
Patent number
9,785,074
Issue date
Oct 10, 2017
Ricoh Company, Ltd.
Kohsuke Nagata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer using the toner, image forming apparatus
Patent number
9,720,339
Issue date
Aug 1, 2017
Ricoh Company, Ltd.
Shingo Sakashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for image formation, and developer and image forming apparatu...
Patent number
9,594,322
Issue date
Mar 14, 2017
Ricoh Company, Ltd.
Suzuka Amemori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic image developing toner, developer, and image forming...
Patent number
9,557,671
Issue date
Jan 31, 2017
Ricoh Company, Ltd.
Ryuta Chiba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer using the toner, image forming apparatus
Patent number
9,519,235
Issue date
Dec 13, 2016
Ricoh Company, Ltd.
Shingo Sakashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, and image forming apparatus
Patent number
9,400,439
Issue date
Jul 26, 2016
Ricoh Company, Ltd.
Kousuke Nagata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner, developer containing the toner, and imag...
Patent number
9,141,013
Issue date
Sep 22, 2015
Ricoh Company, Ltd.
Yoshihiro Moriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer using the toner, image forming apparatus
Patent number
9,134,638
Issue date
Sep 15, 2015
Ricoh Company, Ltd.
Shingo Sakashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and developer
Patent number
9,012,116
Issue date
Apr 21, 2015
Ricoh Company, Ltd.
Daiki Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development agent and image forming apparatus employing same
Patent number
8,951,705
Issue date
Feb 10, 2015
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer and image forming apparatus
Patent number
8,951,707
Issue date
Feb 10, 2015
Ricoh Company, Ltd.
Suzuka Amemori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer including the toner, image forming apparatus using...
Patent number
8,932,790
Issue date
Jan 13, 2015
Ricoh Company, Ltd.
Yoshitaka Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner, developer, and image forming apparatus
Patent number
8,865,384
Issue date
Oct 21, 2014
Ricoh Company, Ltd.
Masahide Yamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for electrophotography, developer, image forming method, and...
Patent number
8,852,834
Issue date
Oct 7, 2014
Ricoh Company, Ltd.
Hideyuki Santo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, development agent, and image forming apparatus
Patent number
8,822,118
Issue date
Sep 2, 2014
Ricoh Company, Ltd.
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and development agent, image forming apparatus, and process c...
Patent number
8,808,955
Issue date
Aug 19, 2014
Ricoh Company, Ltd.
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, and developer and image forming apparatus using the toner
Patent number
8,795,939
Issue date
Aug 5, 2014
Ricoh Company, Ltd.
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, and image forming apparatus
Patent number
8,735,040
Issue date
May 27, 2014
Ricoh Company, Ltd.
Suzuka Amemori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, and image forming apparatus
Patent number
8,685,604
Issue date
Apr 1, 2014
Ricoh Company, Ltd.
Yoshihiro Moriya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and image forming apparatus
Patent number
8,603,715
Issue date
Dec 10, 2013
Ricoh Company, Ltd.
Suzuka Amemori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER, TONER ACCOMMODATING UNIT, AND IMAGE FORMING APPARATUS
Publication number
20180024452
Publication date
Jan 25, 2018
Tsuyoshi SUGIMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LAYERED INORGANIC MINERAL, TONER, AND IMAGE FORMING APPARATUS
Publication number
20170371257
Publication date
Dec 28, 2017
Hideyuki SANTO
C01 - INORGANIC CHEMISTRY
Information
Patent Application
TONER, TONER STORED UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMIN...
Publication number
20170199476
Publication date
Jul 13, 2017
Hideyuki SANTOH
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMATION DEVICE
Publication number
20170017175
Publication date
Jan 19, 2017
Hiroshi YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POLYESTER RESIN FOR TONER, TONER, DEVELOPER, AND IMAGE FORMATION DE...
Publication number
20170010550
Publication date
Jan 12, 2017
Kohsuke NAGATA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TONER, DEVELOPER USING THE TONER, IMAGE FORMING APPARATUS
Publication number
20160334726
Publication date
Nov 17, 2016
Shingo SAKASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
Publication number
20160091812
Publication date
Mar 31, 2016
Keiji MAKABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, DEVELOPER, AND IMAGE FORMING...
Publication number
20150248070
Publication date
Sep 3, 2015
Ryuta CHIBA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
Publication number
20150234304
Publication date
Aug 20, 2015
Kousuke Nagata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER USING THE TONER, IMAGE FORMING APPARATUS
Publication number
20150227071
Publication date
Aug 13, 2015
Shingo Sakashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TONER FOR IMAGE FORMATION, AND DEVELOPER AND IMAGE FORMING APPARATU...
Publication number
20150072287
Publication date
Mar 12, 2015
Suzuka AMEMORI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC TONER, DEVELOPER CONTAINING THE TONER, AND IMAG...
Publication number
20140342284
Publication date
Nov 20, 2014
Yoshihiro MORIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER USING THE TONER, IMAGE FORMING APPARATUS
Publication number
20140301757
Publication date
Oct 9, 2014
Shingo Sakashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGE AND METHOD FOR PROD...
Publication number
20140093820
Publication date
Apr 3, 2014
Ayumi Satoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
Publication number
20140065534
Publication date
Mar 6, 2014
Suzuka Amemori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
Publication number
20130260298
Publication date
Oct 3, 2013
Suzuka AMEMORI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
Publication number
20130252158
Publication date
Sep 26, 2013
Masahide YAMADA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPMENT AGENT, AND IMAGE FORMING APPARATUS
Publication number
20130244154
Publication date
Sep 19, 2013
Atsushi YAMAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND DEVELOPER
Publication number
20130244167
Publication date
Sep 19, 2013
Daiki YAMASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT AGENT AND IMAGE FORMING APPARATUS EMPLOYING SAME
Publication number
20130244153
Publication date
Sep 19, 2013
Shinya NAKAYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER INCLUDING THE TONER, IMAGE FORMING APPARATUS USING...
Publication number
20130202996
Publication date
Aug 8, 2013
Yoshitaka YAMAUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
Publication number
20130171550
Publication date
Jul 4, 2013
Suzuka AMEMORI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND DEVELOPER
Publication number
20130149642
Publication date
Jun 13, 2013
Akiyoshi SABU
B82 - NANO-TECHNOLOGY
Information
Patent Application
TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER, IMAGE FORMING METHOD, AND...
Publication number
20130143155
Publication date
Jun 6, 2013
Hideyuki SANTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND IMAGE FORMING APPARATUS
Publication number
20130115550
Publication date
May 9, 2013
Suzuka Amemori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, AND DEVELOPER AND IMAGE FORMING APPARATUS USING THE TONER
Publication number
20130108950
Publication date
May 2, 2013
Atsushi Yamamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER AND DEVELOPMENT AGENT, IMAGE FORMING APPARATUS, AND PROCESS C...
Publication number
20130078563
Publication date
Mar 28, 2013
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
Publication number
20130065172
Publication date
Mar 14, 2013
Yoshihiro MORIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR ELECTROPHOTOGRAPHY, DEVELOPER, AND IMAGE FORMING APPARATUS
Publication number
20120282000
Publication date
Nov 8, 2012
Shinya Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY