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Thin film transistor
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Patent number 4,918,494
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Issue date Apr 17, 1990
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Sharp Kabushiki Kaisha
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Mitsuhiro Koden
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H01 - BASIC ELECTRIC ELEMENTS
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Thin film transistor
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Patent number 4,843,438
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Issue date Jun 27, 1989
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Sharp Kabushiki Kaisha
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Mitsuhiro Koden
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H01 - BASIC ELECTRIC ELEMENTS
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Electrochromic display devices
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Patent number 4,399,436
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Issue date Aug 16, 1983
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Hamada; Hiroshi
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Hiroshi Hamada
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Electro-chromic displays
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Patent number 4,379,619
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Issue date Apr 12, 1983
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Sharp Kabushiki Kaisha
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Hiroshi Kuwagaki
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G02 - OPTICS
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Electrochromic display
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Patent number 4,257,683
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Issue date Mar 24, 1981
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Sharp Kabushiki Kaisha
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Hiroshi Kuwagaki
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G02 - OPTICS
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