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Tetsuya OFUCHI
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image reading device and image forming apparatus incorporating same
Patent number
11,381,709
Issue date
Jul 5, 2022
Ricoh Company, Ltd.
Tatsuya Ishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Sheet discriminator, image forming apparatus incorporating same, an...
Patent number
10,212,298
Issue date
Feb 19, 2019
Ricoh Company, Ltd.
Tohru Matsumoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Sheet discriminator and image forming apparatus incorporating the s...
Patent number
10,203,641
Issue date
Feb 12, 2019
Ricoh Company, Ltd.
Noriaki Takenaga
G01 - MEASURING TESTING
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
Sheet discriminator and image forming apparatus incorporating the s...
Patent number
9,890,003
Issue date
Feb 13, 2018
Ricoh Company, Ltd.
Satoshi Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet discriminator and image forming apparatus incorporating same
Patent number
9,676,576
Issue date
Jun 13, 2017
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 discriminator and image forming apparatus incorporating the s...
Patent number
9,551,967
Issue date
Jan 24, 2017
Ricoh Company, Ltd.
Noriaki Takenaga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet discriminator and image forming apparatus incorporating same
Patent number
9,346,291
Issue date
May 24, 2016
Ricoh Company, Ltd.
Takayuki Nishimura
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
Patents Applications
last 30 patents
Information
Patent Application
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20210266423
Publication date
Aug 26, 2021
RICOH COMPANY, LTD.
TATSUYA ISHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
SHEET DISCRIMINATOR AND IMAGE FORMING APPARATUS INCORPORATING THE S...
Publication number
20170097601
Publication date
Apr 6, 2017
RICOH COMPANY, LTD.
Noriaki TAKENAGA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SHEET DISCRIMINATOR AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20160221780
Publication date
Aug 4, 2016
RICOH COMPANY, LTD.
TAKAYUKI NISHIMURA
G01 - MEASURING TESTING
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 DISCRIMINATOR AND IMAGE FORMING APPARATUS INCORPORATING THE S...
Publication number
20150293487
Publication date
Oct 15, 2015
RICOH COMPANY, LTD.
Noriaki TAKENAGA
G01 - MEASURING TESTING
Information
Patent Application
SHEET DISCRIMINATOR AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20150186762
Publication date
Jul 2, 2015
RICOH COMPANY, LTD.
Takayuki NISHIMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SHEET DISCRIMINATOR, IMAGE FORMING APPARATUS INCORPORATING SAME, AN...
Publication number
20150151938
Publication date
Jun 4, 2015
RICOH COMPANY, LTD.
Tohru MATSUMOTO
G01 - MEASURING TESTING
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