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Inundation simulator and program
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Patent number 7,957,945
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Issue date Jun 7, 2011
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Hitachi Engineering & Services Co., Ltd.
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Satoshi Yamaguchi
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G06 - COMPUTING CALCULATING COUNTING
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ATM communication system
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Patent number 5,274,641
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Issue date Dec 28, 1993
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Kabushiki Kaisha Toshiba
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Yasuro Shobatake
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Graphic display method
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Patent number 5,172,102
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Issue date Dec 15, 1992
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Hitachi, Ltd.
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Kazuaki Iwamura
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Figure retrieval method
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Patent number 5,099,520
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Issue date Mar 24, 1992
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Hitachi Ltd.
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Kazuaki Iwamura
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G06 - COMPUTING CALCULATING COUNTING
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