Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Donald E. Yansen — 2 Patents

Micron: 2 patents #4,194 of 6,374Top 70%
Lexington, MA: #1,366 of 2,299 inventorsTop 60%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Donald E. Yansen has been granted 2 US patents while listed as an inventor at Micron. The first was granted in 1999 and the most recent in March 2002. Donald E. Yansen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Donald E. Yansen in Lexington, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6354438 Focused ion beam apparatus for forming thin-film magnetic recording heads Randall Lee, Charles J. Libby, Gregory J. Athas, Raymond Hill, Russell Mello 2002-03-12
5916424 Thin film magnetic recording heads and systems and methods for manufacturing the same Charles J. Libby, Gregory J. Athas, Raymond Hill, Russell Mello 1999-06-29 $929,000