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Akitoshi Yokota
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Nara, JP
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last 30 patents
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Patent Grant
Photovoltaic device with porous metal layer
Patent number
5,136,351
Issue date
Aug 4, 1992
Sharp Kabushiki Kaisha
Yasumi Inoue
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Amorphous semiconductor solar cell
Patent number
5,104,455
Issue date
Apr 14, 1992
Sharp Kabushiki Kaisha
Akitoshi Yokota
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Tandem stacked amorphous solar cell device
Patent number
5,071,490
Issue date
Dec 10, 1991
Sharp Kabushiki Kaisha
Akitoshi Yokota
H01 - BASIC ELECTRIC ELEMENTS