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Tohru Tanaka
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Battery pack and wireless telephone apparatus
Patent number
6,810,274
Issue date
Oct 26, 2004
Sony Corporation
Takeshi Sawada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Flux cleaning method and method of manufacturing semiconductor device
Publication number
20010042778
Publication date
Nov 22, 2001
Sony Corporation
Tohru Tanaka
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
Battery pack and wireless telephone apparatus
Publication number
20010021663
Publication date
Sep 13, 2001
Takeshi Sawada
H01 - BASIC ELECTRIC ELEMENTS