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USPTO Patent Rankings Data through Dec 31, 2025
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Michael G. Ahrens — 24 Patents

AMD: 14 patents #866 of 9,280Top 10%
CSCrosspoint Solutions: 7 patents #3 of 18Top 20%
ACActel: 3 patents #69 of 156Top 45%
Sunnyvale, CA: #1,022 of 14,302 inventorsTop 8%
California: #23,266 of 386,348 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Michael G. Ahrens has been granted 24 US patents while listed as an inventor at AMD. The first was granted in 1990 and the most recent in May 2011. Michael G. Ahrens ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Michael G. Ahrens in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7947980 Non-volatile memory cell with charge storage element and method of programming Shahin Toutounchi, James Karp, Jeongheon Jeong, Michael J. Hart 2011-05-24 $3,523,000
7687797 Three-terminal non-volatile memory element with hybrid gate dielectric James Karp, Daniel Gitlin, Shahin Toutounchi, Jongheon Jeong 2010-03-30 $14,323,000
7544968 Non-volatile memory cell with charge storage element and method of programming Shahin Toutounchi, James Karp, Jongheon Jeong, Michael J. Hart 2009-06-09 $6,153,000
7450431 PMOS three-terminal non-volatile memory element and method of programming James Karp, Jongheon Jeong, Shahin Toutounchi 2008-11-11 $3,775,000
7420842 Method of programming a three-terminal non-volatile memory element using source-drain bias Shahin Toutounchi, James Karp, Jongheon Jeong 2008-09-02 $7,129,000
6687157 Circuits and methods for identifying a defective memory cell via first, second and third wordline voltages Ping-Chen Liu, Kenneth Miu 2004-02-03 $23,056,000
6525973 Automatic bitline-latch loading for flash prom test Farshid Shokouhi 2003-02-25 $13,505,000
6388946 Circuit and method for incrementally selecting word lines Phillip H. McGibney 2002-05-14 $67,185,000
6285584 Method to implement flash memory Anders T. Dejenfelt, Qi Lin, Robert Olah 2001-09-04 $118,670,000
6272060 Shift register clock scheme Ben Sheen 2001-08-07 $124,112,000
6249458 Switching circuit for transference of multiple negative voltages Farshid Shokouhi, Ben Sheen 2001-06-19 $259,092,000
6233177 Bitline latch switching circuit for floating gate memory device requiring zero volt programming voltage Farshid Shokouhi 2001-05-15 $67,094,000
6212103 Method for operating flash memory Anders T. Dejenfelt, Qi Lin, Robert Olah 2001-04-03 $69,974,000
6112322 Circuit and method for stress testing EEPROMS Phillip H. McGibney 2000-08-29 $446,539,000
5671234 Programmable input/output buffer circuit with test capability Christopher E. Phillips, Joseph G. Nolan, III, Laurence H. Cooke 1997-09-23
5652527 Input-output circuit for increasing immunity to voltage spikes Christopher E. Phillips, Joseph G. Nolan, III, Laurence H. Cooke 1997-07-29
5629636 Ram-logic tile for field programmable gate arrays 1997-05-13
5534798 Multiplexer with level shift capabilities Christopher E. Phillips, Joseph G. Nolan, III, Laurence H. Cooke 1996-07-09
5465055 RAM-logic tile for field programmable gate arrays 1995-11-07
5453696 Embedded fuse resistance measuring circuit William R. Becker 1995-09-26
5299150 Circuit for preventing false programming of anti-fuse elements Douglas C. Galbraith, Esmat Z. Hamdy, Abdelshafy A. Eltoukhy 1994-03-29 $3,193,000
5286992 Low voltage device in a high voltage substrate Douglas C. Galbraith, Abdelshafy A. Eltoukhy 1994-02-15 $3,163,000
5221865 Programmable input/output buffer circuit with test capability Christopher E. Phillips, Joseph G. Nolan, III, Laurence H. Cooke 1993-06-22
4918341 High speed static single-ended sense amplifier Douglas C. Galbraith 1990-04-17