TREA

Takafumi Kojima

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  • Yokohama, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speech path system
    • Patent number 4,075,431
    • Issue date Feb 21, 1978
    • Hitachi, Ltd.
    • Takuji Mukaemachi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE