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USPTO Patent Rankings Data through Dec 31, 2025
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Mark E. Burchfield — 7 Patents

CYCyrix: 3 patents #18 of 51Top 40%
INInput/Output: 1 patents #64 of 149Top 45%
NSNational Semiconductor: 1 patents #1,247 of 2,238Top 60%
Motorola: 1 patents #8,495 of 14,142Top 65%
Austin, TX: #4,441 of 18,064 inventorsTop 25%
Texas: #21,608 of 125,132 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Mark E. Burchfield has been granted 7 US patents while listed as an inventor at Cyrix. The first was granted in 1995 and the most recent in October 2006. Mark E. Burchfield ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Mark E. Burchfield in Austin, TX, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7114366 Sensor Ben Jones, Scott T. Dupuie, Jeffrey Allen Blackburn, Richard A. Johnson, Michael L. Abrams +5 more 2006-10-03 $7,959,000
6035694 Method and apparatus for calibration of stray capacitance mismatch in a closed loop electro-mechanical accelerometer Scott T. Dupuie, Richard A. Johnson, Ben Jones, Mauricio A. Zavaleta, Burton DeVolk +3 more 2000-03-14
5860105 NDIRTY cache line lookahead Mark W. McDermott, Robert W. French, Antone L. Fourcroy, Xiaoli Y. Mendyke 1999-01-12 $9,269,000
5587666 Sense amplifier slew circuitry 1996-12-24 $7,102,000
5477193 Current source loop filter with automatic gain control 1995-12-19 $9,011,000
5434545 Fully differential voltage controlled oscillator 1995-07-18 $7,009,000
5422805 Method and apparatus for multiplying two numbers using signed arithmetic Kenneth L. McIntyre, Jr., Donald C. Anderson, Jeffery P. Bray 1995-06-06 $7,064,000