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Apparatus for use in offices etc.
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Patent number 5,592,189
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Issue date Jan 7, 1997
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Hitachi, Ltd.
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Soshiro Kuzunuki
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Electronic blackboard
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Patent number 5,181,129
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Issue date Jan 19, 1993
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Hitachi, Ltd.
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Kunio Sato
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Thermal recording apparatus
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Patent number 4,649,401
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Issue date Mar 10, 1987
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Hitachi, Ltd.
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Yasuyuki Kojima
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Thermal transfer printer
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Patent number 4,590,491
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Issue date May 20, 1986
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Hitachi, Ltd.
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Yasuro Hori
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Static induction apparatus
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Patent number 4,442,419
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Issue date Apr 10, 1984
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Hitachi, Ltd.
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Minoru Kanoi
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H01 - BASIC ELECTRIC ELEMENTS
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Static induction apparatus
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Patent number 4,371,858
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Issue date Feb 1, 1983
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Hitachi, Ltd.
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Minoru Kanoi
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H01 - BASIC ELECTRIC ELEMENTS
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Disc ceramic capacitor
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Patent number 4,306,274
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Issue date Dec 15, 1981
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Hitachi, Ltd.
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Tokio Yamagiwa
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H01 - BASIC ELECTRIC ELEMENTS
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