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High-stability dimmer
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Patent number 9,220,144
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Issue date Dec 22, 2015
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Elm Inc.
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Takakazu Miyahara
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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High stability dimmer
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Patent number 8,618,743
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Issue date Dec 31, 2013
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Elm Inc.
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Takakazu Miyahara
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Water purification apparatus
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Patent number 7,857,951
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Issue date Dec 28, 2010
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Elm Inc.
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Takakazu Miyahara
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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