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Yasuyuki SEKINO
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus incorporating information detector
Patent number
10,545,443
Issue date
Jan 28, 2020
Ricoh Company, Ltd.
Yukifumi Kobayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus incorporating information detector
Patent number
10,073,396
Issue date
Sep 11, 2018
Ricoh Company, Ltd.
Yukifumi Kobayashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image forming apparatus and program product used in the image formi...
Patent number
10,012,939
Issue date
Jul 3, 2018
Ricoh Company, Ltd.
Takayuki Nishimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus incorporating information detector
Patent number
9,621,752
Issue date
Apr 11, 2017
Ricoh Company, Ltd.
Yukifumi Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sheet feeder and image forming apparatus incorporating same
Patent number
9,150,370
Issue date
Oct 6, 2015
Ricoh Company, Ltd.
Takahiro Ogino
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Sheet decurling device and image forming apparatus
Patent number
8,113,514
Issue date
Feb 14, 2012
Ricoh Company, Limited
Yasuyuki Sekino
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS INCORPORATING INFORMATION DETECTOR
Publication number
20180364627
Publication date
Dec 20, 2018
RICOH COMPANY, LTD.
Yukifumi KOBAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS INCORPORATING INFORMATION DETECTOR
Publication number
20170176908
Publication date
Jun 22, 2017
RICOH COMPANY, LTD.
Yukifumi KOBAYASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE FORMING APPARATUS AND PROGRAM PRODUCT USED IN THE IMAGE FORMI...
Publication number
20170131671
Publication date
May 11, 2017
RICOH COMPANY, LTD.
Takayuki NISHIMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS INCORPORATING INFORMATION DETECTOR
Publication number
20160100072
Publication date
Apr 7, 2016
Yukifumi KOBAYASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SHEET DISCRIMINATOR AND IMAGE FORMING APPARATUS INCORPORATING THE S...
Publication number
20160090256
Publication date
Mar 31, 2016
RICOH COMPANY, LTD.
Satoshi NAKAYAMA
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
SHEET FEEDER AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20150115518
Publication date
Apr 30, 2015
RICOH COMPANY, LTD.
Takahiro OGINO
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
Sheet decurling device and image forming apparatus
Publication number
20080315496
Publication date
Dec 25, 2008
Ricoh Company, Limited
Yasuyuki Sekino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY