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Kazumasa Miyazawa
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Electronic money management system, electronic money management met...
Patent number
7,703,672
Issue date
Apr 27, 2010
Sony Corporation
Masaru Umeya
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Methods and apparatus for facilitating data communications between...
Patent number
6,789,166
Issue date
Sep 7, 2004
Sony Corporation
Yojiro Kamise
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
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Patent Application
Electronic money management system, electronic money management met...
Publication number
20070034684
Publication date
Feb 15, 2007
Masaru Umeya
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data storage device and data storage method, information-processing...
Publication number
20020064074
Publication date
May 30, 2002
Yojiro Kamise
G06 - COMPUTING CALCULATING COUNTING