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Shusuke Matsumura
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Osaka, JP
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last 30 patents
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Patent Grant
Sealed contact device, a method of producing a sealed contact devic...
Patent number
6,204,460
Issue date
Mar 20, 2001
Matasushita Electric Works, Ltd.
Tsukasa Hojo
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method of sealing a hole
Patent number
6,085,964
Issue date
Jul 11, 2000
Matasushita Electric Works, Ltd.
Tsukasa Hojo
H01 - BASIC ELECTRIC ELEMENTS