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USPTO Patent Rankings Data through Dec 31, 2025
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Duncan Penman — 2 Patents

AMD: 2 patents #4,515 of 9,280Top 50%
Sunnyvale, CA: #8,082 of 14,302 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
Duncan Penman has been granted 2 US patents while listed as an inventor at AMD. The first was granted in 1994 and the most recent in January 1995. Duncan Penman ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Duncan Penman in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5383201 Method and apparatus for locating source of error in high-speed synchronous systems Chris Satterlee 1995-01-17 $7,945,000
5321698 Method and apparatus for providing retry coverage in multi-process computer environment Quang Huy Nguyen, Glenn Grant, Allan Zymslowski, Armand Minnie 1994-06-14 $9,207,000