Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sofia, BG ranks #629 worldwide for total patents filed in 2024, with 231 patents from 145 inventors. Leading employers of inventors based in Sofia, BG include Murata Manufacturing Co., Sap Se, Broadcom.

Showing 1–50 of 145 inventors

Rank Inventor Primary Company Patents
1 Ventsislav Yantchev Murata Manufacturing Co. 48
2 Stoyan Zhivkov Boshev Sap Se 5
3 Dobromir Ivanov Broadcom 4
3 Ivaylo Radoslavov Radev Broadcom 4
3 Todor Kokev Hitachi Energy 4
3 Georgi Manev Hitachi Energy 4
3 Ivo Petkov Broadcom 4
#8 Ventsyslav Raikov Broadcom 3
#8 Ilya Mayorski Broadcom 3
#8 Borislav Vasilev Hitachi Energy 3
#8 Militsa Borisova Broadcom 3
#12 Rumen Marinov Peev Melexis Bulgaria 2
#12 Grigor Ganekov Broadcom 2
#12 Daniel Pavlov Broadcom 2
#12 Dimitar Dimitrov Broadcom 2
#12 Antonio Kristiyanov Filipov Broadcom 2
#12 Hristo Mitkov Popov Sap Se 2
#12 Petar Rusev Rusev Sap Se 2
#12 Shenol Hulmi Yousouf Sap Se 2
#12 Andrey Adaschik Acronis International Gmbh 2
#12 Diyan Asparuhov Yordanov Sap Se 2
#12 Boris Savov Broadcom 2
#12 Zhan Ivanov Broadcom 2
#24 Georgi Muleshkov Broadcom 1
#24 Yavor Petrov ANGELOV Carl Zeiss Meditec Ag 1
#24 Radoslav Ivanov Dzhupanov Sap Se 1
#24 Boyan Yosifov Tomov Sap Se 1
#24 Iantcho Todorov Vassilev Sap Se 1
#24 Ivan Nikolov Ivanov Broadcom 1
#24 Tomo Vladimirov Simeonov Broadcom 1
#24 George Daskalov Broadcom 1
#24 Deyan Petrov Yosifov Progress Software 1
#24 Gabriela Gerganova University Of Basel 1
#24 Ilko Ershov 1
#24 Veselin Evgeniev Daskalov 1
#24 Angel Aleksiev Aleksiev 1
#24 Elena Aleksandrova Stefanova 1
#24 Ivan Nushev Broadcom 1
#24 Kakuhei Isawa Meiji Co. 1
#24 Ivan Rid Acronis International Gmbh 1
#24 Dimitar Hristov Suvandzhiev 1
#24 Dragomir Konstantinov 1
#24 Miroslav Shipkovenski Broadcom 1
#24 Petar Vorotnikov Broadcom 1
#24 Stoyanka Spasova Minkovska 1
#24 Angel Ivanov Nokia 1
#24 Lachezar Sashov DODOV Wacom Co. 1
#24 Ivan Zhekov Progress Software 1
#24 Radoslav Kirilov Progress Software 1
#24 Georgi Gerganov Viewray Technologies 1