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Masanobu Izumina

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  • Omiya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Flexible photovoltaic device
    • Patent number 5,419,781
    • Issue date May 30, 1995
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Yoshihiro Hamakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flexible photovoltaic device
    • Patent number 5,127,964
    • Issue date Jul 7, 1992
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Yoshihiro Hamakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flexible photovoltaic device
    • Patent number 4,875,943
    • Issue date Oct 24, 1989
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Yoshihiro Hamakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flexible photovoltaic device
    • Patent number 4,773,942
    • Issue date Sep 27, 1988
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Yoshihiro Hamakawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flexible photovoltaic device
    • Patent number 4,612,409
    • Issue date Sep 16, 1986
    • Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    • Yoshihiro Hamakawa
    • H01 - BASIC ELECTRIC ELEMENTS