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Optical data recording medium
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Issue date Jun 27, 1995
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Hitachi Maxell, Ltd.
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Wire bonding method and apparatus
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Issue date Oct 12, 1993
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Hitachi, Ltd.
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Optical disc
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Patent number 4,911,968
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Issue date Mar 27, 1990
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Hitachi Maxell, Ltd.
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Tosio Higasihara
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G11 - INFORMATION STORAGE
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Lithium compounds
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Patent number 4,411,971
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Issue date Oct 25, 1983
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Hitachi Maxell, Ltd.
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Solid electrolyte
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Issue date Jan 4, 1983
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Hitachi, Ltd.
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Ryo Nagai
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C01 - INORGANIC CHEMISTRY