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Optical semiconductor device
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Patent number 4,907,055
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Issue date Mar 6, 1990
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Fuji Photo Film Co., Ltd.
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Hidetoshi Shinada
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H01 - BASIC ELECTRIC ELEMENTS
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Optical semiconductor device
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Patent number 4,882,607
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Issue date Nov 21, 1989
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Fuji Photo Film Co., Ltd.
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Hidetoshi Shinada
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H01 - BASIC ELECTRIC ELEMENTS
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Optical linear encoder
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Patent number 4,667,099
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Issue date May 19, 1987
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Fuji Photo Film Co., Ltd.
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Noboru Arai
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G06 - COMPUTING CALCULATING COUNTING