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Bio-information detecting sensor
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Patent number 10,644,186
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Issue date May 5, 2020
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Korea Advanced Institute of Science and Technology
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Seunghyup Yoo
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Optical circuit element
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Patent number 4,162,460
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Issue date Jul 24, 1979
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Agency of Industrial Science and Technology
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Shunichi Gonda
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3699346
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Patent number 3,699,346
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Issue date Oct 17, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3315080
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Patent number 3,315,080
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Issue date Apr 18, 1967
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H01 - BASIC ELECTRIC ELEMENTS