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Polymer actuator
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Patent number 7,700,129
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Issue date Apr 20, 2010
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Sony Corporation
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Hidetoshi Ito
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Polymer actuator
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Patent number 7,511,402
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Issue date Mar 31, 2009
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Sony Corporation
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Hidetoshi Ito
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F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
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Nonaqueous electrolyte secondary battery
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Patent number 6,913,856
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Issue date Jul 5, 2005
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Sony Corporation
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Takao Nirasawa
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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Nonaqueous electrolyte battery
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Patent number 6,623,892
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Issue date Sep 23, 2003
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Sony Corporation
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Akira Yamaguchi
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Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...