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Chemical heat pump
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Patent number 5,186,241
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Issue date Feb 16, 1993
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Hitachi, Ltd.
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Yoshifumi Kunugi
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F28 - HEAT EXCHANGE IN GENERAL
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Heat storage device
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Patent number 4,612,974
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Issue date Sep 23, 1986
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Hitachi, Ltd.
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Michio Yanadori
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F24 - HEATING RANGES VENTILATING
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Heat storage material
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Patent number 4,604,223
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Issue date Aug 5, 1986
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Hitachi, Ltd.
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Michio Yanadori
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F28 - HEAT EXCHANGE IN GENERAL
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Heat-storing apparatus
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Patent number 4,561,493
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Issue date Dec 31, 1985
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Hitachi, Ltd.
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Michio Yanadori
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F28 - HEAT EXCHANGE IN GENERAL
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Method of producing heat pipe
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Patent number 4,541,261
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Issue date Sep 17, 1985
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Hitachi, Ltd.
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Michio Yanadori
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Heat storage material
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Patent number 4,518,514
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Issue date May 21, 1985
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Hitachi, Ltd.
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Hideaki Kamohara
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Heat storage material
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Patent number 4,465,611
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Issue date Aug 14, 1984
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Hitachi, Ltd.
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Michio Yanadori
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Heat-storing composition
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Patent number 4,415,465
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Issue date Nov 15, 1983
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Hitachi, Ltd.
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Keiichi Koike
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Heat-storing composition
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Patent number 4,412,930
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Issue date Nov 1, 1983
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Hitachi, Ltd.
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Keiichi Koike
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Apparatus for storing heat
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Patent number 4,366,856
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Issue date Jan 4, 1983
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Hitachi, Ltd.
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Michio Yanadori
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F28 - HEAT EXCHANGE IN GENERAL
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Refrigerator
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Patent number 4,130,997
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Issue date Dec 26, 1978
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Hitachi, Ltd.
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Toshitsugu Hara
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...