TREA

Katsuhiro Tsuda

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  • Ooizumimachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner
    • Patent number 5,638,692
    • Issue date Jun 17, 1997
    • Sanyo Electric Co., Ltd.
    • Yukio Aizawa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 5,600,962
    • Issue date Feb 11, 1997
    • Sanyo Electric Co., Ltd.
    • Yukio Aizawa
    • F24 - HEATING RANGES VENTILATING