Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bangkok, TH ranks #1,755 worldwide for total patents filed all time, with 1,890 patents from 889 inventors. Leading employers of inventors based in Bangkok, TH include Utac Thai Limited, Oronzio Denora Impianti Elettrochimici S.P.A., Degussa-Huels Ag.

Showing 1–50 of 889 inventors

Rank Inventor Primary Company Patents
1 Saravuth Sirinorakul Utac Thai Limited 76
2 Placido M. Spaziante Oronzio Denora Impianti Elettrochimici S.P.A. 35
2 Somchai Nondhasitthichai Utac Thai Limited 35
#4 Wolfgang Strehlau Degussa-Huels Ag 23
#5 Kumkit Kunavongvorakul Wing Shing Products (Bvi) Co. 21
#6 Pierre FROMENTIN Essilor International 18
#7 Suebphong Yenrudee Utac Headquarters Pte. 16
#8 Pruck Boonprasop Magic Love Limited 15
#9 Kongkiat Suriye Smh Co. 14
#10 Kasap Mulanon Sammitr Green Power Co. 13
#10 Ernst Elsner J.M. Voith Gmbh 13
#12 RAJIV TREHAN Unknown 12
#12 Lars Anton Gunnarsson Sandvine 12
#14 Simon James Joyce Upaid Systems 11
#14 Thienchai Chaisumrej Nike 11
#14 Komgrit Sungkhaphong Western Digital Technologies 11
#17 Por Anavil D.T.C. Industries 10
#17 Kriangsak Sae Le 10
#17 Dhiti Towiwat 10
#17 Antonello Mordeglia Danieli Automation S.P.A. 10
#17 Artit Aowudomsuk Schott Ag 10
#22 Siwathat Mongkolsupya Honda Motor Co. 9
#22 Warachad Klomkamol Scg Chemicals Co. 9
#22 Julian M. H. Deeley D.T.C. Industries 9
#22 Peter Nelson Wainman Equator Global Limited 9
#22 Sirilak NARONGTANUPONE Equator Global Limited 9
#27 Akinori Etoh Mitsui Chemicals 8
#27 Kanachana Khemakongkanond 8
#29 Pitaya Yangpichit 7
#29 Chaiya Thongrattana Western Digital Technologies 7
#29 Apijade Jesadanont 7
#29 Nittayanun Korprasert S. C. Johnson & Son 7
#29 Watcharee Cheevasrirungruang Scg Chemicals Co. 7
#34 Wuttithep JAREEWATCHARA Smh Co. 6
#34 Chaya Chandavasu Ptt Global Chemical Public Company Limited 6
#34 Yasuhiko Toride Ajinomoto Co. 6
#34 Sarahut Sirichai Belkin International 6
#34 Goragot Wongpaisarnsin Sony 6
#34 Touchapol Pettaweebuncha Pastina Co. 6
#34 Sa-Nguan Boochakorn AMD 6
#34 Sujinda Tubtim Mima International Holdings Limited 6
#34 Kunthong Udommahuntisuk Twoway Intertrade Co. 6
#34 Trysit Nitidharmatut 6
#34 Viroj Khanampornpan Unknown 6
#34 Sukanya Jesadanont 6
#34 Siritorn Butrapet Mahidol University 6
#34 Tunyawat Kasemsuwan Thai Union Group Public Company Limited 6
#34 Jun Naganuma Kao 6
#34 Anong Leelachaikul 6
#34 Tanyarut Boontheekul Harvard University 6