Mitsuo Masuda

Person

  • Higashi-Kanamachi, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Key telephone systems

    • Patent number 4,125,749
    • Issue date Nov 14, 1978
    • Tamura Electric Works, Ltd.
    • Toshiharu Kinoshita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE