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Hitoaki Owashi
Consumer Products Research Center Hitachi, Ltd.
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Atsushi Yoshioka
Consumer Products Research Center Hitachi, Ltd.
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Fujio Okamura
Consumer Products Research Center Hitachi, Ltd.
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Takashi Furuhata
Consumer Products Research Center Hitachi, Ltd.
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Katsuo Mohri
Consumer Products Research Center Hitachi, Ltd.