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United States Utility Patents
5,247,190 - 5,247,199

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NumberTitle
5,247,190 Electroluminescent devices
5,247,191 Semiconductor device
5,247,192 Heterojunction bipolar transistor
5,247,193 Semiconductor insulated gate device with four electrodes
5,247,194 Thin film transistor with an increased switching rate
5,247,195 PLDs with high drive capability
5,247,196 Semiconductor memory device including capacitor having stacked structure and manufacturing method thereof
5,247,197 Dynamic random access memory device having improved contact hole structures
5,247,198 Semiconductor integrated circuit device with multiplayered wiring
5,247,199 Process for forming twin well CMOS integrated circuits



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