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Akio Watakabe
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for evaluating insulating film
Patent number
6,720,790
Issue date
Apr 13, 2004
Matsushita Electric Industrial Co., Ltd.
Koji Eriguchi
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method and apparatus for evaluating insulating film
Patent number
6,583,640
Issue date
Jun 24, 2003
Matsushita Electric Industrial Co., Ltd.
Koji Eriguchi
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
Method and apparatus for evaluating insulating film
Publication number
20030169065
Publication date
Sep 11, 2003
Matsushita Electric Industrial Co., Ltd.
Koji Eriguchi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method and apparatus for evaluating insulating film
Publication number
20020024351
Publication date
Feb 28, 2002
Koji Eriguchi
H01 - BASIC ELECTRIC ELEMENTS