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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Information processing system, electronic blackboard apparatus, and...
Patent number
11,163,432
Issue date
Nov 2, 2021
Ricoh Company, Ltd.
Yukinari Toyota
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Authentication system and authentication method
Patent number
9,717,001
Issue date
Jul 25, 2017
Ricoh Company, Ltd.
Yukinari Toyota
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
INFORMATION PROCESSING SYSTEM, ELECTRONIC WHITEBOARD APPARATUS, AND...
Publication number
20190239069
Publication date
Aug 1, 2019
RICOH COMPANY, LTD.
Yukinari TOYOTA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, ELECTRONIC BLACKBOARD APPARATUS, AND...
Publication number
20190235735
Publication date
Aug 1, 2019
RICOH COMPANY, LTD.
Yukinari TOYOTA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTER EMBEDDED APPARATUS, RECORDING MEDIUM AND COMPUTER EMBEDDED...
Publication number
20160019105
Publication date
Jan 21, 2016
Machiko MIKAMI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AUTHENTICATION SYSTEM AND AUTHENTICATION METHOD
Publication number
20150264569
Publication date
Sep 17, 2015
Yukinari TOYOTA
G06 - COMPUTING CALCULATING COUNTING