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Hideo Iwata

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  • Hirakata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat exchange mat
    • Patent number 4,646,815
    • Issue date Mar 3, 1987
    • Matsushita Electric Works, Ltd.
    • Hideo Iwata
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Method of manufacturing heat exchange mat
    • Patent number 4,631,102
    • Issue date Dec 23, 1986
    • Matsushita Electric Works, Ltd.
    • Yoshiaki Kitagawa
    • F24 - HEATING RANGES VENTILATING