TREA

Akira Takayama

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  • Hamamtsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Communication system testing method
    • Patent number 5,737,317
    • Issue date Apr 7, 1998
    • Yamaha Corporation
    • Akira Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data transfer device
    • Patent number 5,315,640
    • Issue date May 24, 1994
    • Yamaha Corporation
    • Akira Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data transfer system and method
    • Patent number 5,282,208
    • Issue date Jan 25, 1994
    • Yamaha Corporation
    • Akira Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE