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Sadaaki Yokoo
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Ikoma, JP
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last 30 patents
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Patent Grant
Battery pack and power tool using the same
Patent number
6,692,864
Issue date
Feb 17, 2004
Matsushita Electric Industrial Co., Ltd.
Yoshitaka Dansui
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Battery power source protecting device for an electromotive device
Patent number
6,388,426
Issue date
May 14, 2002
Matsushita Electric Industrial Co. Ltd.
Sadaaki Yokoo
G01 - MEASURING TESTING