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USPTO Patent Rankings Data through Sept 30, 2025
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Robert H. Sperry — 5 Patents

Xerox: 5 patents #2,266 of 8,622Top 30%
Pittsford, NY: #307 of 976 inventorsTop 35%
New York: #26,803 of 115,490 inventorsTop 25%
Overall (All Time): #1,017,963 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8306847 System and method of forecasting print demand 2012-11-06
8181261 System and method for controlling reproduction of documents containing sensitive information 2012-05-15
7797189 System and method of forecasting print job related demand Sudhendu Rai, John C. Handley 2010-09-14
7784102 Method for secure access to document repositories 2010-08-24
5995723 Client subsystem for changing document/job attributes in a network printing system Anthony E. Audi, Luke E. Burgess, Mitsuhiro Kajitani, Kiyoshi KAMISHIMA 1999-11-30