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Yasuhide Matsuno
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Cleanerless image forming apparatus with toner containing 1.8% by m...
Patent number
12,181,804
Issue date
Dec 31, 2024
Ricoh Company, Ltd.
Shogo Kezuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
11,460,788
Issue date
Oct 4, 2022
Ricoh Company, Ltd.
Yasuhide Matsuno
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus to calculate film thicknesses of a photocon...
Patent number
10,606,202
Issue date
Mar 31, 2020
Ricoh Company, Ltd.
Yasuhide Matsuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and driving method for driving image formin...
Patent number
9,348,309
Issue date
May 24, 2016
Ricoh Company, Ltd.
Masanari Fujita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus including same
Patent number
9,298,127
Issue date
Mar 29, 2016
Ricoh Company, Ltd.
Yoshio Sakagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Process unit and image forming apparatus incorporating same
Patent number
9,217,989
Issue date
Dec 22, 2015
Ricoh Company, Ltd.
Mitsutoshi Kichise
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method and process cartridge
Patent number
9,182,688
Issue date
Nov 10, 2015
Ricoh Company, Ltd.
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
9,164,435
Issue date
Oct 20, 2015
Ricoh Company, Ltd.
Tomoya Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reducing toner adhesion to a development device of an image forming...
Patent number
9,116,460
Issue date
Aug 25, 2015
Ricoh Company, Ltd.
Yasuhide Matsuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical writing head positioning mechanism, process cartridge, and...
Patent number
9,007,409
Issue date
Apr 14, 2015
Ricoh Company, Ltd.
Kenji Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming apparatus with a line velocity difference set b...
Patent number
8,983,323
Issue date
Mar 17, 2015
Ricoh Company, Limited
Takeshi Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
8,971,743
Issue date
Mar 3, 2015
Ricoh Company, Ltd.
Takafumi Miyazaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer regulator, development device, and image forming apparatu...
Patent number
8,867,971
Issue date
Oct 21, 2014
Ricoh Company, Ltd.
Ryuji Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image developing device, process cartridge including image developi...
Patent number
8,805,222
Issue date
Aug 12, 2014
Ricoh Company, Ltd.
Naoki Nakatake
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20230297004
Publication date
Sep 21, 2023
RICOH COMPANY, LTD.
Shogo Kezuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20220066348
Publication date
Mar 3, 2022
Ricoh Company, Ltd.
Yasuhide MATSUNO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...
Publication number
20190146394
Publication date
May 16, 2019
RICOH COMPANY, LTD.
Yasuhide Matsuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND DRIVING METHOD FOR DRIVING IMAGE FORMIN...
Publication number
20150234348
Publication date
Aug 20, 2015
RICOH COMPANY, LTD.
Masanari FUJITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESS UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20150117901
Publication date
Apr 30, 2015
RICOH COMPANY, LTD.
Mitsutoshi KICHISE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150055987
Publication date
Feb 26, 2015
Yoshio SAKAGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL WRITING HEAD POSITIONING MECHANISM, PROCESS CARTRIDGE, AND...
Publication number
20150035928
Publication date
Feb 5, 2015
RICOH COMPANY, LTD.
Kenji NAKAMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20140161471
Publication date
Jun 12, 2014
RICOH COMPANY, LTD.
Yasuhide Matsuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20140153982
Publication date
Jun 5, 2014
RICOH COMPANY, LTD.
Tomoya ADACHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD AND PROCESS CARTRIDGE
Publication number
20140147784
Publication date
May 29, 2014
Takuya Kadota
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20130266332
Publication date
Oct 10, 2013
Takafumi MIYAZAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS UNIT IN...
Publication number
20130236217
Publication date
Sep 12, 2013
Yuji NAGATOMO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COLOR IMAGE FORMING APPARATUS
Publication number
20130195487
Publication date
Aug 1, 2013
Takeshi YAMASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING IMAGE DEVELOPI...
Publication number
20130058670
Publication date
Mar 7, 2013
Naoki Nakatake
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER REGULATOR, DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATU...
Publication number
20120045254
Publication date
Feb 23, 2012
Ryuji INOUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY