Inventor · San Francisco, CA, US

Janet Wang

23Patents
17h-index
24Co-inventors
73Inventor score

Filing activity: Dec 18, 1997 → Aug 19, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6269023A Method of programming a non-volatile memory cell using a current limiter Physics 139 Expired
US6266281A Method of erasing non-volatile memory cells Physics 132 Expired
US6541816B2 Planar structure for non-volatile memory devices Emerging Cross-Sectional Technologies 83 Expired
US6567303B1 Charge injection Physics 76 Expired
US6618290B1 Method of programming a non-volatile memory cell using a baking process Physics 70 Expired
US6590811B1 Higher program VT and faster programming rates based on improved erase methods Physics 68 Expired
US6468865B1 Method of simultaneous formation of bitline isolation and periphery oxide Electricity 53 Expired
US6456533B1 Higher program VT and faster programming rates based on improved erase methods Physics 50 Expired
US6555436B2 Simultaneous formation of charge storage and bitline to wordline isolation Emerging Cross-Sectional Technologies 44 Expired
US6456536B1 Method of programming a non-volatile memory cell using a substrate bias Physics 43 Expired
US6459618B1 Method of programming a non-volatile memory cell using a drain bias Electricity 41 Expired
US6456531B1 Method of drain avalanche programming of a non-volatile memory cell Physics 40 Expired
US6172909A Ramped gate technique for soft programming to tighten the Vt distribution Physics 38 Expired
US6490205B1 Method of erasing a non-volatile memory cell using a substrate bias Physics 32 Expired
US5888867A Non-uniform threshold voltage adjustment in flash eproms through gate work function alteration Electricity 30 Expired
US6465306B1 Simultaneous formation of charge storage and bitline to wordline isolation Emerging Cross-Sectional Technologies 30 Expired
US6331953A Intelligent ramped gate and ramped drain erasure for non-volatile memory cells Electricity 18 Expired
US6233175A Self-limiting multi-level programming states Physics 17 Expired
US6465303B1 Method of manufacturing spacer etch mask for silicon-oxide-nitride-oxide-silicon (SONOS) type nonvolatile memory Electricity 13 Expired
US6331952A Positive gate erasure for non-volatile memory cells Physics 11 Expired
US6025240A Method and system for using a spacer to offset implant damage and reduce lateral diffusion in flash memory devices Electricity 9 Expired
US6188101A Flash EPROM cell with reduced short channel effect and method for providing same Emerging Cross-Sectional Technologies 6 Expired
US6410956B1 Method and system for using a spacer to offset implant damage and reduce lateral diffusion in flash memory devices Electricity 0 Expired

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