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Miyagi, JP
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last 30 patents
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Patent Grant
Toner, toner stored unit, and image forming apparatus
Patent number
10,054,864
Issue date
Aug 21, 2018
Ricoh Company, Ltd.
Tomoki Murayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, toner stored unit, and image forming apparatus
Patent number
9,989,869
Issue date
Jun 5, 2018
Ricoh Company, Ltd.
Daisuke Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, image forming apparatus, and process cartridge
Patent number
9,709,911
Issue date
Jul 18, 2017
Ricoh Company, Ltd.
Yoshitsugu Kimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer and image forming apparatus
Patent number
9,523,931
Issue date
Dec 20, 2016
Ricoh Company, Ltd.
Satoshi Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic charge image developing toner
Patent number
9,291,931
Issue date
Mar 22, 2016
Ricoh Company, Ltd.
Junichi Awamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer and image forming apparatus
Patent number
9,201,326
Issue date
Dec 1, 2015
Ricoh Company, Ltd.
Ryuuta Yoshida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
9,201,365
Issue date
Dec 1, 2015
Ricoh Company, Ltd.
Shingo Sakashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner housing container and image forming apparatus
Patent number
9,152,084
Issue date
Oct 6, 2015
Ricoh Company, Ltd.
Masana Shiba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device that suppresses hysteresis
Patent number
9,086,647
Issue date
Jul 21, 2015
Ricoh Company, Ltd.
Shingo Sakashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner housing container and image forming apparatus
Patent number
9,069,288
Issue date
Jun 30, 2015
Ricoh Company, Ltd.
Satoshi Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, process cartridge, image forming method, and imag...
Patent number
8,735,037
Issue date
May 27, 2014
Ricoh Company, Ltd.
Hiroshi Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for producing electrophotographic toner, electrophotographic...
Patent number
8,603,719
Issue date
Dec 10, 2013
Ricoh Company, Ltd.
Hiroshi Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS
Publication number
20180052403
Publication date
Feb 22, 2018
Daisuke INOUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20160195826
Publication date
Jul 7, 2016
Yoshitsugu KIMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, TONER STORED UNIT, AND IMAGE FORMING APPARATUS
Publication number
20160195827
Publication date
Jul 7, 2016
Tomoki Murayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20150261144
Publication date
Sep 17, 2015
Shingo SAKASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
Publication number
20140348545
Publication date
Nov 27, 2014
RICOH COMPANY, LTD.
Masana Shiba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER HOUSING CONTAINER AND IMAGE FORMING APPARATUS
Publication number
20140348546
Publication date
Nov 27, 2014
RICOH COMPANY, LTD.
Satoshi Kojima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER
Publication number
20140234767
Publication date
Aug 21, 2014
Junichi Awamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
Publication number
20140220485
Publication date
Aug 7, 2014
Satoshi KOJIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140072349
Publication date
Mar 13, 2014
Shingo SAKASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER AND IMAGE FORMING APPARATUS
Publication number
20130196260
Publication date
Aug 1, 2013
Ryuuta YOSHIDA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, METHOD FOR PRODUCING THE TONER, AND IMAGE FORMING METHOD
Publication number
20130164669
Publication date
Jun 27, 2013
Hiroshi Yamashita
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
TONER, DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAG...
Publication number
20130011779
Publication date
Jan 10, 2013
Hiroshi Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC TONER, ELECTROPHOTOGRAPHIC...
Publication number
20110318053
Publication date
Dec 29, 2011
Hiroshi Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING METHOD
Publication number
20110262853
Publication date
Oct 27, 2011
Masaki WATANABE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY