Inventor · Sunnyvale, CA, US

Michael G. Ahrens

24Patents
10h-index
21Co-inventors
75Inventor score

Filing activity: Sep 23, 1988 → Apr 29, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5221865A Programmable input/output buffer circuit with test capability Electricity 103 Expired
US5534798A Multiplexer with level shift capabilities Electricity 60 Expired
US6212103A Method for operating flash memory Electricity 48 Expired
US5286992A Low voltage device in a high voltage substrate Emerging Cross-Sectional Technologies 27 Expired
US4918341A High speed static single-ended sense amplifier Electricity 26 Expired
US6233177A Bitline latch switching circuit for floating gate memory device requiring zero volt programming voltage Physics 22 Expired
US5671234A Programmable input/output buffer circuit with test capability Electricity 20 Expired
US5299150A Circuit for preventing false programming of anti-fuse elements Electricity 20 Expired
US6249458A Switching circuit for transference of multiple negative voltages Physics 19 Expired
US5453696A Embedded fuse resistance measuring circuit Physics 13 Expired
US5465055A RAM-logic tile for field programmable gate arrays Electricity 9 Expired
US6687157B1 Circuits and methods for identifying a defective memory cell via first, second and third wordline voltages Physics 7 Expired
US6525973B1 Automatic bitline-latch loading for flash prom test Physics 6 Expired
US5652527A Input-output circuit for increasing immunity to voltage spikes Electricity 5 Expired
US7544968B1 Non-volatile memory cell with charge storage element and method of programming Electricity 5 Expired
US6285584A Method to implement flash memory Electricity 5 Expired
US5629636A Ram-logic tile for field programmable gate arrays Electricity 4 Expired
US7420842B1 Method of programming a three-terminal non-volatile memory element using source-drain bias Physics 4 Expired
US7450431B1 PMOS three-terminal non-volatile memory element and method of programming Physics 3 Expired
US6112322A Circuit and method for stress testing EEPROMS Physics 3 Expired
US6388946B1 Circuit and method for incrementally selecting word lines Physics 3 Expired
US6272060A Shift register clock scheme Physics 2 Expired
US7687797B1 Three-terminal non-volatile memory element with hybrid gate dielectric Electricity 0 Expired
US7947980B1 Non-volatile memory cell with charge storage element and method of programming Electricity 0 Active

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