TREA

Kazuo Asada

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Public telephone set
    • Patent number 4,907,257
    • Issue date Mar 6, 1990
    • Tamura Electric Works, Ltd.
    • Hiroyuki Asano
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Public telephone set
    • Patent number 4,819,261
    • Issue date Apr 4, 1989
    • Tamura Electric Works
    • Yoshiaki Takeda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE