TREA

Noboru Watanabe

Follow

Person

  • Yokohama, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Voice signal converting device
    • Patent number 4,403,322
    • Issue date Sep 6, 1983
    • Hitachi, Ltd.
    • Takao Kato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE