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Shigeyuki Kawai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic money system and payment accepting apparatus
Patent number
8,468,101
Issue date
Jun 18, 2013
Sony Corporation
Shigeyuki Kawai
G07 - CHECKING-DEVICES
Information
Patent Grant
Information processing server, and information processing method
Patent number
8,417,571
Issue date
Apr 9, 2013
Sony Corporation
Norihiko Fujita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic money system and transaction method using the same
Patent number
7,900,825
Issue date
Mar 8, 2011
Sony Corporation
Shigeyuki Kawai
G07 - CHECKING-DEVICES
Information
Patent Grant
Electronic money system and electronic money terminal device
Patent number
7,475,044
Issue date
Jan 6, 2009
Sony Corporation
Shigeyuki Kawai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Information processing system, information processing method, elect...
Patent number
7,418,425
Issue date
Aug 26, 2008
Sony Corporation
Makoto Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic money system and transaction method using the same
Patent number
7,328,840
Issue date
Feb 12, 2008
Sony Corporation
Shigeyuki Kawai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic money system and transaction method using the same
Patent number
6,764,001
Issue date
Jul 20, 2004
Sony Corporation
Shigeyuki Kawai
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
Information Processing Server, and Information Processing Method
Publication number
20100004996
Publication date
Jan 7, 2010
BITWALLET, INC.
Norihiko Fujita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, ELECT...
Publication number
20080301014
Publication date
Dec 4, 2008
SONY CORPORATION
Makoto Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electronic money system and transaction method using the same
Publication number
20080105739
Publication date
May 8, 2008
SONY CORPORATION
Shigeyuki Kawai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Electronic money system and transaction method using the same
Publication number
20040206814
Publication date
Oct 21, 2004
Shigeyuki Kawai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Information processing system, information processing method, elect...
Publication number
20020052838
Publication date
May 2, 2002
Makoto Yamada
G06 - COMPUTING CALCULATING COUNTING