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Kei OYAMADA
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image display system
Patent number
10,609,092
Issue date
Mar 31, 2020
Ricoh Company, Ltd.
Kei Oyamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Measurement method, measurement device, projection apparatus, and c...
Patent number
9,417,688
Issue date
Aug 16, 2016
Ricoh Company, Ltd.
Junichi Hara
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND I...
Publication number
20180277018
Publication date
Sep 27, 2018
RICOH COMPANY, LTD.
Jun MURATA
B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information
Patent Application
DISPLAY DEVICE, DISPLAY SYSTEM, AND STORAGE MEDIUM
Publication number
20170076426
Publication date
Mar 16, 2017
RICOH COMPANY, LTD.
Aritaka Hagiwara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
VIDEO DISPLAY SYSTEM, IMAGE DISPLAY CONTROL METHOD, AND RECORDING M...
Publication number
20170076144
Publication date
Mar 16, 2017
RICOH COMPANY, LTD.
Ryo IWASAKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE DISPLAY SYSTEM
Publication number
20160337409
Publication date
Nov 17, 2016
Kei OYAMADA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION TERMINAL AND IMAGE DISPLAY SYSTEM
Publication number
20160267624
Publication date
Sep 15, 2016
RICOH COMPANY, LTD.
Kei OYAMADA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
IMAGE DISPLAY SYSTEM, TERMINAL, AND IMAGE DISPLAY APPARATUS
Publication number
20160055826
Publication date
Feb 25, 2016
RICOH COMPANY, LTD.
Sachiko ABE
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AN...
Publication number
20150264297
Publication date
Sep 17, 2015
Taeko ISHIZU
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MEASUREMENT METHOD, MEASUREMENT DEVICE, PROJECTION APPARATUS, AND C...
Publication number
20150213309
Publication date
Jul 30, 2015
Junichi HARA
G01 - MEASURING TESTING
Information
Patent Application
CONFERENCE SUPPORT SYSTEM, CONFERENCE SUPPORT APPARATUS, AND HANDOU...
Publication number
20130290422
Publication date
Oct 31, 2013
RICOH COMPANY, LTD.
Masateru KUMAGAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CONFERENCE ASSISTANCE SYSTEM, DATA PROCESSING APPARATUS AND RECORDI...
Publication number
20120303709
Publication date
Nov 29, 2012
RICOH COMPANY, LTD.
Takeshi FUJITA
G06 - COMPUTING CALCULATING COUNTING