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USPTO Patent Rankings Data through Dec 31, 2025
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Douglas S. Ruby — 5 Patents

SASandia: 5 patents #198 of 2,107Top 10%
Albuquerque, NM: #857 of 4,547 inventorsTop 20%
New Mexico: #1,501 of 9,035 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Douglas S. Ruby has been granted 5 US patents while listed as an inventor at Sandia. The first was granted in 1998 and the most recent in June 2004. Douglas S. Ruby ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Douglas S. Ruby in Albuquerque, NM, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6750391 Aternating current photovoltaic building block Ward Issac Bower, Michael Thomas 2004-06-15 $15,665,000
6329296 Metal catalyst technique for texturing silicon solar cells Saleem Zaidi 2001-12-11 $50,161,000
6091021 Silicon cells made by self-aligned selective-emitter plasma-etchback process William K. Schubert, James M. Gee, Saleem Zaidi 2000-07-18 $18,915,000
5871591 Silicon solar cells made by a self-aligned, selective-emitter, plasma-etchback process William K. Schubert, James M. Gee 1999-02-16 $13,197,000
5792280 Method for fabricating silicon cells Paul Alan Basore, W. Kent Schubert 1998-08-11 $7,597,000