Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Raymond Oh — 2 Patents

COCormetech: 2 patents #9 of 22Top 45%
Durham, NC: #1,879 of 4,103 inventorsTop 50%
North Carolina: #18,944 of 45,564 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Raymond Oh has been granted 2 US patents while listed as an inventor at Cormetech. The first was granted in 2014 and the most recent in July 2017. Raymond Oh ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Raymond Oh in Durham, NC, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9707541 Gradient catalyst compositions and applications thereof Christian Trefzger, Chris E. DiFrancesco 2017-07-18
8901033 Catalyst compositions and applications thereof Christian Trefzger, Chris E. DiFrancesco 2014-12-02