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USPTO Patent Rankings Data through Dec 31, 2025
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Chee-Keong Then — 2 Patents

ExxonMobil: 2 patents #3,942 of 10,161Top 40%
Singapore, SG: #4,296 of 13,971 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Chee-Keong Then has been granted 2 US patents while listed as an inventor at ExxonMobil. All of these patents were granted in 2016. Chee-Keong Then ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Chee-Keong Then in Singapore, SG.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9266791 Hydrocarbon conversion process Matthew B. Yarrison, Alok Mani Srivastava, Roshni Jindal, Rodney S. Smith 2016-02-23 $100,273,000
9260357 Hydrocarbon conversion process Matthew B. Yarrison, Alok Mani Srivastava, Roshni Jindal, Rodney S. Smith 2016-02-16 $113,518,000