Inventor · Richmond, VA, US

Joerg Vollrath

32Patents
6h-index
25Co-inventors
65Inventor score

Filing activity: Jun 30, 1997 → Nov 14, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6564346B1 Advanced bit fail map compression with fail signature analysis Physics 22 Expired
US6304479A Shielded bit line architecture for memory arrays Physics 18 Expired
US6453433B1 Reduced signal test for dynamic random access memory Physics 18 Expired
US6365947B1 Semiconductor device and method of increasing channel length to eliminate short channel effects of corner devices Electricity 9 Expired
US7719868B2 Integrated semiconductor memory Electricity 7 Active
US7068546B2 Integrated memory having a voltage generator circuit for generating a voltage supply for a read/write amplifier Physics 7 Expired
US6696349B2 STI leakage reduction Electricity 6 Expired
US6207513A Spacer process to eliminate corner transistor device Electricity 6 Expired
US7051253B2 Pseudo fail bit map generation for RAMS during component test and burn-in in a manufacturing environment Physics 5 Expired
US6927557B2 Voltage generator arrangement Physics 4 Expired
US7376026B2 Integrated semiconductor memory having sense amplifiers selectively activated at different timing Physics 4 Active
US5831917A Techniques for reducing redundant element fuses in a dynamic random access memory array Physics 4 Expired
US6967370B2 Integrated semiconductor circuit having a multiplicity of memory cells Electricity 3 Expired
US7023276B2 Differential amplifier circuit Electricity 3 Expired
US6998664B2 Integrated semiconductor circuit having a cell array having a multiplicity of memory cells Electricity 3 Expired
US6490209B1 Memory employing multiple enable/disable modes for redundant elements and testing method using same Physics 2 Expired
US7196537B2 Integrated circuit Physics 2 Expired
US7224627B2 Integrated semiconductor circuit and method for testing the same Physics 2 Expired
US7365554B2 Integrated circuit for determining a voltage Physics 2 Expired
US6981175B2 Memory and method for employing a checksum for addresses of replaced storage elements Physics 2 Expired
US7372095B2 Integrated semiconductor circuit comprising a transistor and a strip conductor Electricity 1 Expired
US7626870B2 Semiconductor device with a plurality of one time programmable elements Physics 1 Active
US6737671B2 Current measurement circuit and method for voltage regulated semiconductor integrated circuit devices Physics 1 Expired
US6538939B1 Memory employing multiple enable/disable modes for redundant elements and testing method using same Physics 1 Expired
US7313741B2 Integrated semiconductor memory Physics 1 Expired

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