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

Karl D. Stephan — 3 Patents

MIMillitech: 1 patents #8 of 16Top 50%
TUTexas State University: 1 patents #6 of 55Top 15%
University Of Texas System: 1 patents #2,951 of 6,559Top 45%
USUniversity Of Texas System: 1 patents #51 of 217Top 25%
Austin, TX: #7,594 of 18,064 inventorsTop 45%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Karl D. Stephan has been granted 3 US patents while listed as an inventor at Millitech. The first was granted in 1985 and the most recent in May 2006. Karl D. Stephan ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Karl D. Stephan in Austin, TX, US.

Patents per Year

Patents granted per year, 1985 to 2006Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851992: 1 patents19922006: 1 patents2006

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7052176 Remote temperature measuring system for hostile industrial environments using microwave radiometry John A. Pearce 2006-05-30
5170169 Quasi-optical transmission/reflection switch and millimeter-wave imaging system using the same 1992-12-08
4509209 Quasi-optical polarization duplexed balanced mixer Tatsuo Itoh 1985-04-02