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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sofia, BG ranks #638 worldwide for total patents filed in 2021, with 220 patents from 129 inventors. Leading employers of inventors based in Sofia, BG include Broadcom, Comptel Oyj, Sensata Technologies.

Showing 101–129 of 129 inventors

Rank Inventor Primary Company Patents
#40 Radka Ilieva Broadcom 1
#40 Boyko Karadzhov 1
#40 Plamen Dimitrov Broadcom 1
#40 Ivan Lesichkov 1
#40 Yoakim Anastasov Comptel Oyj 1
#40 Nikolay S. Chehlarov Sensata Technologies 1
#40 Dian Nikolov Broadcom 1
#40 Teodor Parvanov Broadcom 1
#40 Kiril Todorov Marinov International Power Supply Ad 1
#40 Stoil Rangelov Trifonov International Power Supply Ad 1
#40 Tanya Dimitrova Wacom Co. 1
#40 Vladimir Miroshkin Acronis International Gmbh 1
#40 Emil Gelev Broadcom 1
#40 Stoyan GEORGIEV GAYDOV Melexis Bulgaria 1
#40 Nikolay Milovanov Comptel Oyj 1
#40 Vanio Kirilov Ivanov Wacom Co. 1
#40 Filip Stoilov Rangelov International Power Supply Ad 1
#40 Petar Kirilov Zaharinov 1
#40 Stanislav Asenov Hadjiiski Broadcom 1
#40 Kostadin Dimitrov BOBCHEV Melexis Bulgaria 1
#40 Yasen Fotev Kalchev Broadcom 1
#40 Valeri Dimitrov Ivanov X-Fab Semiconductor Foundries Gmbh 1
#40 Nedelcho Nedyalkov Delchev Sap Se 1
#40 Svetlana Mintova CNRS 1
#40 Hristo Borisov 1
#40 Martin Nikolov Gradev Sap Se 1
#40 Ivan Osmak Progress Software 1
#40 Tanya HRISTOVA Broadcom 1
#40 Desislava Dzhonova Comptel Oyj 1