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

Stephen A. Kaufer — 1 Patent

DIData I/O: 1 patents #28 of 52Top 55%
Seattle, WA: #14,256 of 21,776 inventorsTop 70%
Washington: #48,569 of 76,902 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Stephen A. Kaufer has been granted 1 US patent while listed as an inventor at Data I/O. All of these patents were granted in 1991. Stephen A. Kaufer ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Stephen A. Kaufer in Seattle, WA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4998250 Method and apparatus for determining an internal state of an electronic component F. David Kohlmeier, Kellee J. Crisafulli, John P. Rostykus, Douglas Yip 1991-03-05 $622,000