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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Charging device, process cartridge, and image forming apparatus
Patent number
10,481,515
Issue date
Nov 19, 2019
Ricoh Company, Ltd.
Nobuo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device, process cartridge incorporating the cleaning devic...
Patent number
10,042,314
Issue date
Aug 7, 2018
Ricoh Company, Ltd.
Daisuke Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device including roller, and image forming apparatus and process ca...
Patent number
9,958,823
Issue date
May 1, 2018
Ricoh Company, Ltd.
Daisuke Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20190258188
Publication date
Aug 22, 2019
RICOH COMPANY, LTD.
Nobuo Kuwabara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE INCORPORATING THE CLEANING DEVIC...
Publication number
20180046128
Publication date
Feb 15, 2018
RICOH COMPANY, LTD.
Daisuke TOMITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVICE INCLUDING ROLLER, AND IMAGE FORMING APPARATUS AND PROCESS CA...
Publication number
20170102663
Publication date
Apr 13, 2017
Daisuke TOMITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY