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USPTO Patent Rankings Data through Sept 30, 2025
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William Jenko

SPSpectrasensors: 2 patents #23 of 54Top 45%
Rancho Cucamonga, CA: #159 of 412 inventorsTop 40%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,927,160 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10180353 Determination and correction of frequency registration deviations for quantitative spectroscopy Xiang Liu, Gary Yeh, Adam S. Chaimowitz, Alfred Feitisch 2019-01-15
9696204 Determination and correction of frequency registration deviations for quantitative spectroscopy Xiang Liu, Gary Yeh, Adam S. Chaimowitz, Alfred Feitisch 2017-07-04