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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vertical biaxial developing device and image forming apparatus and...
Patent number
10,209,645
Issue date
Feb 19, 2019
Ricoh Company, Ltd.
Yuuki Tsuchiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus and process cartridge...
Patent number
10,168,642
Issue date
Jan 1, 2019
Ricoh Company, Ltd.
Tatsuya Ohhira
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device with casing having upper and lower compartments
Patent number
10,114,334
Issue date
Oct 30, 2018
Ricoh Company, Ltd.
Tatsuya Ohhira
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus and process cartridge...
Patent number
9,864,297
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Tatsuya Ohhira
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Removable device and image forming apparatus
Patent number
9,513,575
Issue date
Dec 6, 2016
Ricoh Company, Ltd.
Hideki Kimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder container and image forming apparatus incorporating same
Patent number
9,170,530
Issue date
Oct 27, 2015
Ricoh Company, Ltd.
Yuki Oshikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, and process cartridge and image forming apparat...
Patent number
8,953,987
Issue date
Feb 10, 2015
Ricoh Company, Ltd.
Hideki Kimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner conveying path forming member, toner replenishment unit, and...
Patent number
8,918,028
Issue date
Dec 23, 2014
Ricoh Company, Limited
Masaki Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process cartridge for image forming apparatus including a hollow al...
Patent number
8,909,095
Issue date
Dec 9, 2014
Ricoh Company, Ltd.
Masayuki Yamane
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge, and image forming apparatus...
Patent number
8,873,979
Issue date
Oct 28, 2014
Ricoh Company, Ltd.
Yoshihiro Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, and process cartridge and image forming apparat...
Patent number
8,855,536
Issue date
Oct 7, 2014
Ricoh Company, Ltd.
Hideki Kimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, and process cartridge and image forming apparat...
Patent number
8,824,932
Issue date
Sep 2, 2014
Ricoh Company, Ltd.
Katsumi Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Development device, process cartridge, and image forming apparatus...
Patent number
8,682,230
Issue date
Mar 25, 2014
Ricoh Company, Ltd.
Nobuyuki Taguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, process cartridge, and image forming apparatus
Patent number
8,326,189
Issue date
Dec 4, 2012
Ricoh Company, Limited
Yoshiyuki Fukuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20240393714
Publication date
Nov 28, 2024
Osamu SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
Publication number
20180143568
Publication date
May 24, 2018
RICOH COMPANY, LTD.
Tatsuya OHHIRA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
Publication number
20180136586
Publication date
May 17, 2018
RICOH COMPANY, LTD.
Yuuki TSUCHIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
Publication number
20170293257
Publication date
Oct 12, 2017
Tatsuya OHHIRA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
Publication number
20170090342
Publication date
Mar 30, 2017
Tatsuya OHHIRA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
REMOVABLE DEVICE AND IMAGE FORMING APPARATUS
Publication number
20150037050
Publication date
Feb 5, 2015
Hideki KIMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
Publication number
20140376970
Publication date
Dec 25, 2014
Hideki KIMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER CONVEYING PATH FORMING MEMBER, TONER REPLENISHMENT UNIT, AND...
Publication number
20130195509
Publication date
Aug 1, 2013
RICOH COMPANY, LIMITED
Masaki TAKAHASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
Publication number
20130064570
Publication date
Mar 14, 2013
Masayuki YAMANE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
Publication number
20130045029
Publication date
Feb 21, 2013
Hideki KIMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...
Publication number
20120207492
Publication date
Aug 16, 2012
Yoshihiro FUJIWARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...
Publication number
20120057907
Publication date
Mar 8, 2012
Nobuyuki Taguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20110305485
Publication date
Dec 15, 2011
Yuki OSHIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
Publication number
20110194874
Publication date
Aug 11, 2011
Katsumi Masuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20110058858
Publication date
Mar 10, 2011
Yoshiyuki Fukuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY