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Wire-saw and its manufacturing method
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Patent number 6,070,570
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Issue date Jun 6, 2000
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Sumitomo Electric Industries, Ltd.
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Isao Ueoka
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Insulated wire
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Patent number 5,902,681
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Issue date May 11, 1999
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Sumitomo Electric Industries, Ltd.
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Isao Ueoka
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H01 - BASIC ELECTRIC ELEMENTS
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Method for producing organic crystal film
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Patent number 5,385,116
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Issue date Jan 31, 1995
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Sumitomo Electric Industries, Ltd.
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Yasuhiro Hattori
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Harmonic generating device
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Patent number 5,323,261
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Issue date Jun 21, 1994
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Sumitomo Electric Industries, Ltd.
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Takafumi Uemiya
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C30 - CRYSTAL GROWTH
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