Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CA

Charles D. Ashton — 2 Patents

AMD: 2 patents #5,149 of 9,280Top 60%
Campbell, CA: #1,243 of 2,187 inventorsTop 60%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Charles D. Ashton has been granted 2 US patents while listed as an inventor at AMD. The first was granted in 1988 and the most recent in July 1989. Charles D. Ashton ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Charles D. Ashton in Campbell, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4847802 Method and apparatus for identifying the precision of an operand in a multiprecision floating-point processor 1989-07-11 $2,539,000
4748580 Multi-precision fixed/floating-point processor David K. Quong, Alan Corry 1988-05-31 $6,657,000