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Battery and center pin
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Patent number 8,206,844
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Issue date Jun 26, 2012
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Sony Corporation
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Takeshi Meguro
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Battery
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Patent number 7,972,717
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Issue date Jul 5, 2011
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Sony Corporation
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Takeshi Meguro
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Battery
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Patent number 7,550,225
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Issue date Jun 23, 2009
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Sony Corporation
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Takeshi Meguro
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H01 - BASIC ELECTRIC ELEMENTS
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Battery
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Patent number 7,432,010
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Issue date Oct 7, 2008
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Sony Corporation
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Yoshihiro Dokko
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H01 - BASIC ELECTRIC ELEMENTS