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Automatic dial telephone
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Patent number 5,301,227
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Issue date Apr 5, 1994
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Sanyo Electic Co., Ltd.
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Shoichi Kamei
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Automatic on-hook arrangement
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Patent number 4,903,291
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Issue date Feb 20, 1990
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Sanyo Electric Co., Ltd.
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Shinichi Tsurufuji
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Voice recognizing telephone
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Patent number 4,864,622
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Issue date Sep 5, 1989
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Sanyo Electric Co., Ltd.
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Masayuki Iida
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Speech recognition apparatus
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Patent number 4,720,864
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Issue date Jan 19, 1988
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Sanyo Electric Co., Ltd.
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Kiyoshi Tajima
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G10 - MUSICAL INSTRUMENTS ACOUSTICS