TREA

Tatsuya Ando

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  • Saitama-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Damper for a speaker apparatus
    • Patent number 6,144,753
    • Issue date Nov 7, 2000
    • Pioneer Electronic Corporation
    • Takashi Ohyaba
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Surroundless loudspeaker
    • Patent number 5,848,173
    • Issue date Dec 8, 1998
    • Pioneer Electronic Corporation
    • Yoko Sato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE