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Linear compressor for regenerative refrigerator
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Patent number 6,138,459
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Issue date Oct 31, 2000
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Advanced Mobile Telecommunication Technology Inc.
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Shinichi Yatsuzuka
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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Coaxial connector
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Patent number 6,053,769
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Issue date Apr 25, 2000
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Advanced Mobile Telecommunication Technology Inc.
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Hiroshi Kubota
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H01 - BASIC ELECTRIC ELEMENTS
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Coaxial cable
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Patent number 5,763,822
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Issue date Jun 9, 1998
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Advanced Mobile Telecommunication Technology Inc.
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Hiroshi Kubota
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H01 - BASIC ELECTRIC ELEMENTS
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Regenerative heat exchanger
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Patent number 5,746,269
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Issue date May 5, 1998
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Advanced Mobile Telecommunication Technology Inc.
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Akito Torii
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F28 - HEAT EXCHANGE IN GENERAL
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Pulse tube refrigerator
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Patent number 5,701,743
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Issue date Dec 30, 1997
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Advanced Mobile Telecommunication Technology Inc.
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Yasumasa Hagiwara
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F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
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