TREA

Asahiko Okada

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  • Matsusaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker
    • Patent number 5,583,944
    • Issue date Dec 10, 1996
    • Matsushita Electric Industrial Co., Ltd.
    • Yukinori Morohoshi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker apparatus and television receiver using the same
    • Patent number 5,455,867
    • Issue date Oct 3, 1995
    • Matsushita Electric Industrial Co., Ltd.
    • Hideaki Inoue
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system and TV with the same
    • Patent number 5,229,555
    • Issue date Jul 20, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Hideaki Inoue
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS