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Kazumi Hirai

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  • Nabari, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Microwave oven
    • Patent number 3,965,325
    • Issue date Jun 22, 1976
    • Matsushita Electric Industrial Co., Ltd.
    • Kazumi Hirai
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Microwave oven with hinged door and latch means
    • Patent number 3,943,319
    • Issue date Mar 9, 1976
    • Matsushita Electric Industrial Co., Ltd.
    • Kazumi Hirai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Microwave oven with triangular observation window
    • Patent number 3,943,318
    • Issue date Mar 9, 1976
    • Matsushita Electric Industrial Co., Ltd.
    • Kazumi Hirai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR