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Electron microscope
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Patent number 6,888,139
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Issue date May 3, 2005
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Hitachi, Ltd.
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Ruriko Tsuneta
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H01 - BASIC ELECTRIC ELEMENTS
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Electron microscope
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Patent number 6,051,834
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Issue date Apr 18, 2000
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Hitachi, Ltd.
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Hiroshi Kakibayashi
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H01 - BASIC ELECTRIC ELEMENTS
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Electron microscope
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Patent number 5,866,905
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Issue date Feb 2, 1999
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Hitachi, Ltd.
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Hiroshi Kakibayashi
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G01 - MEASURING TESTING
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Electron microscope
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Patent number 5,650,621
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Issue date Jul 22, 1997
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Hitachi, Ltd.
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Ruriko Tsuneta
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H01 - BASIC ELECTRIC ELEMENTS
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