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Thermoelectric converter
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Patent number 6,185,941
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Issue date Feb 13, 2001
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ECO 21, Inc.
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Hideo Watanabe
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Thermoelectric module
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Patent number 6,034,317
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Issue date Mar 7, 2000
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Thermovonics Co., Ltd.
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Hideo Watanabe
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H01 - BASIC ELECTRIC ELEMENTS
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Storage box apparatus
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Patent number 5,987,892
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Issue date Nov 23, 1999
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Thermovonics Co., Ltd.
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Hideo Watanabe
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Air-conditioning ventilator
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Patent number 5,931,001
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Issue date Aug 3, 1999
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Thermovonics Co., Ltd.
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Hideo Watanabe
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F24 - HEATING RANGES VENTILATING
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Thermoelectric refrigerator
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Patent number 5,927,078
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Issue date Jul 27, 1999
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Thermovonics Co., Ltd.
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Hideo Watanabe
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Thermoelectric converter
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Patent number 5,715,684
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Issue date Feb 10, 1998
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Thermovonics Co., Ltd.
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Hideo Watanabe
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...