Inventor · Seoul, KR

Do-Chan Choi

11Patents
10h-index
14Co-inventors
61Inventor score

Filing activity: Mar 15, 1990 → Dec 20, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US5367489A Voltage pumping circuit for semiconductor memory devices Electricity 64 Expired
US5732018A Self-contained reprogramming nonvolatile integrated circuit memory devices and methods Physics 59 Expired
US5045494A Method for manufacturing a DRAM using selective epitaxial growth on a contact Emerging Cross-Sectional Technologies 34 Expired
US5291052A CMOS semiconductor device with (LDD) NMOS and single drain PMOS Emerging Cross-Sectional Technologies 32 Expired
US5737258A Nonvolatile semiconductor memory which is connectable to a DRAM bus Physics 30 Expired
US5305282A Address input buffer Physics 19 Expired
US5321306A Method for manufacturing a semiconductor device Emerging Cross-Sectional Technologies 13 Expired
US5809553A Nonvolatile memory devices including lockable word line cells Physics 10 Expired
US6012122A Systems and methods for distinguishing between memory types Physics 10 Expired
US5175121A Method for manufacturing a stacked capacitor DRAM semiconductor device Emerging Cross-Sectional Technologies 10 Expired
US5717354A Input protection circuit and method for semiconductor memory device Physics 6 Expired

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