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Soldering method
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Patent number 5,709,338
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Issue date Jan 20, 1998
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Hitachi, Ltd.
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Mitugu Shirai
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Wire bonding method and apparatus
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Patent number 5,251,805
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Issue date Oct 12, 1993
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Hitachi, Ltd.
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Mitsukiyo Tani
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Multi-chip-module
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Patent number 5,150,274
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Issue date Sep 22, 1992
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Hitachi, Ltd.
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Kenichi Okada
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H01 - BASIC ELECTRIC ELEMENTS
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Vapor tank
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Patent number 4,628,616
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Issue date Dec 16, 1986
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Hitachi, Ltd.
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Mitugu Shirai
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR