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Electronic computer
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Patent number D517063
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Issue date Mar 14, 2006
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Hitachi, Ltd.
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Isshu Nakajima
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D14 - Recording, communication, or information retrieval equipment
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Portable computer
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Patent number D444464
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Issue date Jul 3, 2001
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Hitachi, Ltd.
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Yoshiaki Amano
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D14 - Recording, communication, or information retrieval equipment
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Portable computer
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Patent number D385534
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Issue date Oct 28, 1997
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Hitachi, Ltd.
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Yukiko Iwama
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D14 - Recording, communication, or information retrieval equipment