Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dhahran, SA ranks #3,404 worldwide for total patents filed all time, with 876 patents from 33 inventors. Leading employers of inventors based in Dhahran, SA include Saudi Arabian Oil, Schlumberger Technology, Chevron.

Showing 1–33 of 33 inventors

Rank Inventor Primary Company Patents
1 Guodong Zhan Saudi Arabian Oil 87
2 Sohel Shaikh Saudi Arabian Oil 84
3 Qi Xu Saudi Arabian Oil 66
#4 Subhash Chandrabose Ayirala Saudi Arabian Oil 65
#5 Timothy E. Moellendick Saudi Arabian Oil 62
#6 Brett W. Bouldin Saudi Arabian Oil 58
#7 Yuguo Wang Saudi Arabian Oil 47
#8 Hyung Tae Kwak Saudi Arabian Oil 41
#9 Brian A. Roth Saudi Arabian Oil 40
#10 Jianhui Xu Saudi Arabian Oil 39
#11 Wael Abdallah Schlumberger Technology 35
#12 Frode Hveding Saudi Arabian Oil 31
#13 Ali H. Dogru Saudi Arabian Oil 30
#14 Andrey Bakulin Saudi Arabian Oil 23
#15 Denis P. Schmitt Chevron 20
#16 Patrick S. Flanders Saudi Arabian Oil 19
#17 Ashraf Ahmed Samsung 16
#18 Olanrewaju Malcolm Oshinowo Saudi Arabian Oil 15
#19 Ali Yousef Saudi Arabian Oil 14
#20 Mustafa Hakimuddin Saudi Arabian Oil 13
#21 Edward A. Clerke Shell Oil Compny 10
#22 Fuhao Qin Saudi Arabian Oil 9
#22 Serkan Dursun Landmark Graphics 9
#22 Gabor Hursan Baker Hughes Holdings 9
#25 Usuf Middya Saudi Arabian Oil 6
#25 Tariq Abdulsattar Almubarak Saudi Arabian Oil 6
#27 Gopal Juttu Inaeris Technologies 5
#27 Thomas Heinold Bj Services 5
#29 Roy Matthew Burnstad Saudi Arabian Oil 4
#30 Mohamed Ali KFUPM 2
#30 Juan Carlos Rojas Bp Corporation North America 2
#30 Azhar Ahmed Alhasawi Halliburton Energy Services 2
#30 Francois Black Schlumberger Technology 2

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