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Masaaki Ueda
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Suita, JP
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Patents Grants
last 30 patents
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Patent Grant
System for issuing and utilizing ticket
Patent number
5,969,332
Issue date
Oct 19, 1999
Matsushita Electric Industrial Co., Ltd.
Masaaki Ueda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
IC card with hierarchical file structure
Patent number
5,408,082
Issue date
Apr 18, 1995
Matsushita Electric Industrial Co., Ltd.
Nobuya Takagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of erasable recording and reading of information
Patent number
4,961,178
Issue date
Oct 2, 1990
Matsushita Electric Industrial Co., Ltd.
Shunsuke Matsuda
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Electronic authentication system, URL input system, URL input devic...
Publication number
20020046338
Publication date
Apr 18, 2002
Masaaki Ueda
G06 - COMPUTING CALCULATING COUNTING