Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Roger Nana — 5 Patents

VTViewray Technologies: 3 patents #7 of 18Top 40%
VIViewray, Incorporated: 2 patents #5 of 9Top 60%
Oakwood Village, OH: #5 of 20 inventorsTop 25%
Ohio: #15,931 of 73,341 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Roger Nana has been granted 5 US patents while listed as an inventor at Viewray Technologies. The first was granted in 2014 and the most recent in November 2020. Roger Nana ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Roger Nana in Oakwood Village, OH, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10825209 System and method for performing tomographic image acquisition and reconstruction James F. Dempsey, Qingguo Zeng, John L. Patrick, Timothy P. Eagan, Shmaryu M. Shvartsman 2020-11-03
10055861 System and method for performing tomographic image acquisition and reconstruction James F. Dempsey, Qingguo Zeng, John L. Patrick, Timothy P. Eagan, Shmaryu M. Shvartsman 2018-08-21
9472000 System and method for performing tomographic image acquisition and reconstruction James F. Dempsey, Qingguo Zeng, John L. Patrick, Timothy P. Eagan, Shmaryu M. Shvartsman 2016-10-18
8929638 Correction of saturation banding artifacts in magnetic resonance imaging James F. Dempsey, Tony Apicella 2015-01-06
8639006 Correction of saturation banding artifacts in magnetic resonance imaging James F. Dempsey, Tony Apicella 2014-01-28