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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus, image forming method, and non-transitory r...
Patent number
12,105,440
Issue date
Oct 1, 2024
Ricoh Company, Ltd.
Yuji Ieiri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Characteristic detector, medium supply device, and image forming ap...
Patent number
10,955,374
Issue date
Mar 23, 2021
Ricoh Company, Ltd.
Yohei Kushida
G01 - MEASURING TESTING
Information
Patent Grant
Ground short circuit portion detecting apparatus, ground short circ...
Patent number
10,536,306
Issue date
Jan 14, 2020
Ricoh Company, Ltd.
Takuya Kemmochi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Motor connection detecting device, motor connection detecting metho...
Patent number
10,185,274
Issue date
Jan 22, 2019
Ricoh Company Ltd.
Hiroshi Okamura
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Sheet thickness detector and image forming apparatus including same
Patent number
9,499,363
Issue date
Nov 22, 2016
Ricoh Company, Ltd.
Yuu Wakabayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet thickness detector and image forming apparatus including same
Patent number
8,950,750
Issue date
Feb 10, 2015
Ricoh Company, Ltd.
Yuu Wakabayashi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming apparatus, image forming method, and computer program...
Patent number
8,488,203
Issue date
Jul 16, 2013
Ricoh Company, Limited
Makoto Higashiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus, density-shift correction method, and compu...
Patent number
8,384,958
Issue date
Feb 26, 2013
Ricoh Company, Ltd.
Tomohide Kondoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for image forming and computer program product
Patent number
8,320,024
Issue date
Nov 27, 2012
Ricoh Company, Limited
Yoshiaki Kawai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
8,159,722
Issue date
Apr 17, 2012
Ricoh Company, Limited
Makoto Higashiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image correcting device, image forming apparatus, and image correct...
Patent number
7,843,604
Issue date
Nov 30, 2010
Ricoh Company, Limited
Makoto Higashiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS AND ABNORMALITY DETERMINATION DEVICE
Publication number
20240264558
Publication date
Aug 8, 2024
RICOH COMPANY, LTD.
Tomohide Kondoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...
Publication number
20240004327
Publication date
Jan 4, 2024
RICOH COMPANY, LTD.
Yuji Ieiri
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CHARACTERISTIC DETECTOR, MEDIUM SUPPLY DEVICE, AND IMAGE FORMING AP...
Publication number
20190212289
Publication date
Jul 11, 2019
Yohei Kushida
G01 - MEASURING TESTING
Information
Patent Application
GROUND SHORT CIRCUIT PORTION DETECTING APPARATUS, GROUND SHORT CIRC...
Publication number
20180227150
Publication date
Aug 9, 2018
RICOH COMPANY, LTD.
Takuya Kemmochi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MOTOR CONNECTION DETECTING DEVICE, MOTOR CONNECTION DETECTING METHO...
Publication number
20170255152
Publication date
Sep 7, 2017
RICOH COMPANY, LTD.
Hiroshi OKAMURA
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
SHEET THICKNESS DETECTOR AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20150108714
Publication date
Apr 23, 2015
RICOH COMPANY, LTD.
Yuu WAKABAYASHI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
SHEET THICKNESS DETECTOR AND IMAGE FORMING APPARATUS INCLUDING SAME
Publication number
20140015192
Publication date
Jan 16, 2014
RICOH COMPANY, LTD.
Yuu WAKABAYASHI
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
Publication number
20100253981
Publication date
Oct 7, 2010
Makoto HIGASHIYAMA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming apparatus, density-shift correction method, and compu...
Publication number
20100060938
Publication date
Mar 11, 2010
Ricoh Company, Ltd.
Tomohide Kondoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND APPARATUS FOR IMAGE FORMING AND COMPUTER PROGRAM PRODUCT
Publication number
20090231606
Publication date
Sep 17, 2009
Yoshiaki KAWAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20090213401
Publication date
Aug 27, 2009
Makoto Higashiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image correcting device, image forming apparatus, and image correct...
Publication number
20080174799
Publication date
Jul 24, 2008
Ricoh Company, Limited
Makoto Higashiyama
G06 - COMPUTING CALCULATING COUNTING