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USPTO Patent Rankings Data through Dec 31, 2025
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John Maddux — 10 Patents

Intel: 10 patents #4,072 of 30,777Top 15%
Folsom, CA: #237 of 1,500 inventorsTop 20%
California: #61,378 of 386,348 inventorsTop 20%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
John Maddux has been granted 10 US patents while listed as an inventor at Intel. The first was granted in 2002 and the most recent in August 2012. John Maddux ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list John Maddux in Folsom, CA, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8253440 Methods and systems to calibrate push-pull drivers Luke A. Johnson, Ronald W. Swartz, Donald L. Rush, Meetul Goyal, Rajashri Doddamani 2012-08-28 $14,908,000
7889824 System and method for alignment of clock to data Michael Altmann 2011-02-15 $18,725,000
7349507 Extending PPM tolerance using a tracking data recovery algorithm in a data recovery circuit 2008-03-25 $11,219,000
6947859 Dynamic current calibrated driver circuit Hing To, Jonathan Liu 2005-09-20 $19,561,000
6864726 Output signal control from a DAC-driven amplifier-based driver Alexander Levin, Surya Koneru 2005-03-08 $33,547,000
6631338 Dynamic current calibrated driver circuit Hing To, Jonathan Liu 2003-10-07 $52,834,000
6580305 Generating a clock signal Jonathan Liu 2003-06-17 $57,598,000
6529148 Apparatus and method for acquisition of an incoming data stream 2003-03-04 $41,105,000
6421801 Testing IO timing in a delay locked system using separate transmit and receive loops Joseph H. Salmon 2002-07-16 $65,603,000
6381722 Method and apparatus for testing high speed input paths Joseph H. Salmon 2002-04-30 $84,693,000