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Hitoshi Yoshioka

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching power supply for microwave oven
    • Patent number 5,171,949
    • Issue date Dec 15, 1992
    • Sanyo Electric Co., Ltd.
    • Kunihiro Fujishima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 5,111,372
    • Issue date May 5, 1992
    • Toko Kabushiki Kaisha
    • Shigeru Kameyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 5,086,381
    • Issue date Feb 4, 1992
    • Toko Kabushiki Kaisha
    • Shigeru Kameyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply for microwave oven
    • Patent number 5,082,998
    • Issue date Jan 21, 1992
    • Yutaka Electric Mfg. Co., Ltd.
    • Hitoshi Yoshioka
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR