TREA

Shoji Tsunekawa

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  • Gunma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air conditioner with outside air introduction path
    • Patent number 5,295,531
    • Issue date Mar 22, 1994
    • Sanyo Electric Co., Ltd.
    • Shoji Tsunekawa
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air conditioner
    • Patent number 5,203,400
    • Issue date Apr 20, 1993
    • Sanyo Electric Co., Ltd.
    • Shoji Tsunekawa
    • F24 - HEATING RANGES VENTILATING