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Kentarou Matsumoto
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Developer container, developing device, process cartridge, and imag...
Patent number
11,726,418
Issue date
Aug 15, 2023
Ricoh Company, Ltd.
Naohiro Kawashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus incorporating same
Patent number
11,640,124
Issue date
May 2, 2023
Ricoh Company, Ltd.
Kentarou Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus containing regulated...
Patent number
11,454,897
Issue date
Sep 27, 2022
Ricoh Company, Ltd.
Kei Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer container, developing device, process cartridge, and imag...
Patent number
11,366,410
Issue date
Jun 21, 2022
Ricoh Company, Ltd.
Naohiro Kawashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device regulates an amount of developer on a developing...
Patent number
11,131,944
Issue date
Sep 28, 2021
Ricoh Company, Ltd.
Kei Saito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, printed material, method of preparing printed material and i...
Patent number
9,116,450
Issue date
Aug 25, 2015
Ricoh Company, Ltd.
Masato Iio
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Image forming method, image forming apparatus, varnish applicator,...
Patent number
8,630,573
Issue date
Jan 14, 2014
Ricoh Company, Ltd.
Masato Iio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Controller and halftone dot signal generating method capable of con...
Patent number
8,520,261
Issue date
Aug 27, 2013
Ricoh Company, Ltd.
Shinya Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus
Patent number
8,494,385
Issue date
Jul 23, 2013
Ricoh Company, Ltd.
Masakazu Terao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20230333497
Publication date
Oct 19, 2023
Kentarou MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
Publication number
20220276586
Publication date
Sep 1, 2022
RICOH COMPANY, LTD.
Naohiro KAWASHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20220082956
Publication date
Mar 17, 2022
Ricoh Company, Ltd.
Kentarou MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER CONTAINER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAG...
Publication number
20210364950
Publication date
Nov 25, 2021
RICOH COMPANY, LTD.
Naohiro KAWASHIMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20210364942
Publication date
Nov 25, 2021
RICOH COMPANY, LTD.
Kei SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20210165344
Publication date
Jun 3, 2021
Kei SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CONTROLLER AND HALFTONE DOT SIGNAL GENERATING METHOD CAPABLE OF CON...
Publication number
20120105915
Publication date
May 3, 2012
Shinya KOBAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TONER, PRINTED MATERIAL, METHOD OF PREPARING PRINTED MATERIAL AND I...
Publication number
20120082829
Publication date
Apr 5, 2012
Masato Iio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method, image forming apparatus, varnish applicator,...
Publication number
20110223527
Publication date
Sep 15, 2011
RICOH COMPANY, LTD.
Masato Iio
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20110206429
Publication date
Aug 25, 2011
RICOH COMPANY, LTD.
Masakazu Terao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY