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Toshiaki Tsukuni
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Kawasaki, JP
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last 30 patents
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Patent Grant
Battery unit and information processing system having battery unit...
Patent number
6,262,494
Issue date
Jul 17, 2001
Fujitsu Limited
Toshiaki Tsukuni
G01 - MEASURING TESTING
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Patent Grant
Protection circuit and battery unit
Patent number
6,051,955
Issue date
Apr 18, 2000
Fujitsu Limited
Mitsuo Saeki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER