Inventor · Seoul, KR

Sung-Il Cho

57Patents
12h-index
119Co-inventors
87Inventor score

Filing activity: Mar 11, 1993 → Jun 8, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
USD741880S1 Display screen of a television receiver with graphical user interface General 151 Active
US7842991B2 Nonvolatile memory devices including oxygen-deficient metal oxide layers and methods of manufacturing the same Physics 95 Active
US7417271B2 Electrode structure having at least two oxide layers and non-volatile memory device having the same Physics 77 Active
USD721090S1 Display screen of a television receiver with graphic image General 68 Active
USD720768S1 Display screen of a television received with graphic image General 60 Active
US8043926B2 Nonvolatile memory devices including oxygen-deficient metal oxide layers and methods of manufacturing the same Physics 46 Active
USD682254S1 Remote control for television receivers General 27 Active
US7531449B2 Method of forming fine patterns using double patterning process Electricity 24 Active
US5398270A Data coincidence detecting circuit Electricity 15 Expired
US8040118B2 Low-dropout voltage regulator with level limiter limiting level of output voltage when level of load current changes and method of operating the same Electricity 15 Active
US7570774B2 Speaker having improved sound-radiating function to both directions Electricity 13 Active
USD735738S1 Television receiver display screen with graphical user interface General 12 Active
US7402488B2 Method of manufacturing a semiconductor memory device Electricity 10 Active
US7723191B2 Method of manufacturing semiconductor device having buried gate Electricity 9 Active
US6198468A Apparatus for performing various on-screen display functions and methods for each function Emerging Cross-Sectional Technologies 8 Expired
US6867096B2 Method of fabricating semiconductor device having capacitor Electricity 8 Expired
US7728375B2 Semiconductor memory device and method of forming the same Electricity 7 Active
US10410990B2 Jig for bonding a semiconductor chip, apparatus for bonding a semiconductor chip including the jig, and method of bonding a semiconductor chip using the apparatus Electricity 6 Active
US8279659B2 System and method of operating a memory device Physics 6 Active
US7749902B2 Methods of manufacturing semiconductor device Emerging Cross-Sectional Technologies 6 Active
US7312130B2 Methods of forming capacitor structures including L-shaped cavities Electricity 6 Expired
US5666458A Reproduction error correction circuit for a video reproduction system, and the method for operating it Electricity 5 Expired
US8130535B2 Flexible word-line pulsing for STT-MRAM Physics 4 Active
US9500599B2 Surface inspection apparatus for semiconductor chips Physics 4 Active
US8461687B2 Semiconductor devices including bit line contact plug and buried channel array transistor, and semiconductor modules, electronic circuit boards and electronic systems including the same Electricity 4 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.