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Electrochemical capacitor
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Patent number 10,636,587
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Issue date Apr 28, 2020
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Osaka Soda Co., Ltd.
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Takashi Matsuo
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Electrochemical capacitor
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Patent number 10,510,495
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Issue date Dec 17, 2019
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Osaka Soda Co., Ltd.
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Takashi Matsuo
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H01 - BASIC ELECTRIC ELEMENTS
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Polymer separation membrane
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Patent number 6,656,252
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Issue date Dec 2, 2003
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Daiso Co., Ltd.
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Hidetoshi Kita
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...