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 Murata Manufacturing Co., Broadcom, Wacom Co..

Showing 1–50 of 129 inventors

Rank Inventor Primary Company Patents
1 Ventsislav Yantchev Murata Manufacturing Co. 15
2 Boris Savov Broadcom 9
3 Ventsyslav Raikov Broadcom 8
#4 George P. Dimitrov Broadcom 5
#4 Branimir Angelov Wacom Co. 5
#6 Anna Delcheva Broadcom 4
#6 Rosen Spasov Broadcom 4
#6 Nikolai Veselinov Neichev Sap Se 4
#6 Evgeny Aronov Broadcom 4
#6 Ivo Petkov Broadcom 4
#11 Rumen Marinov Peev Melexis Bulgaria 3
#11 Zahari Ivanov Broadcom 3
#11 Alexander Dimitrov Broadcom 3
#11 Ivan Strelkov Broadcom 3
#11 Dimitar Hristov Barfonchovski Broadcom 3
#11 Nikola Atanasov Broadcom 3
#11 Rostislav Georgiev Broadcom 3
#11 Stoyan Georgiev Gaydov 3
#11 Dimitar Ivanov Broadcom 3
#11 Tina Nakova Broadcom 3
#21 Luben Hristov Atmel 2
#21 Ivan Markov Honeywell 2
#21 Vasily Semyonov Acronis International Gmbh 2
#21 Petar Mitrov Broadcom 2
#21 Dimitar Stoev Dimitrov 2
#21 Tihomir Mateev Broadcom 2
#21 Stefan Yotov Wacom Co. 2
#21 Militsa Borisova Broadcom 2
#21 Ilya Mayorski Broadcom 2
#21 Tony Ganchev Broadcom 2
#21 Tsvetan Miroslavov Marinov Melexis Bulgaria 2
#21 Ivaylo Radoslavov Radev Broadcom 2
#21 Vladimir Velikov Broadcom 2
#21 Radostin Georgiev Broadcom 2
#21 Marin Nozhchev Broadcom 2
#21 Ivanka Baneva Broadcom 2
#21 Petar Rusev Rusev Sap Se 2
#21 Georgi Mitsov Broadcom 2
#21 Tomo Vladimirov Simeonov Broadcom 2
#40 Tereza Dilova Comptel Oyj 1
#40 Zhan Ivanov Broadcom 1
#40 Ivan Nikolov Ivanov Broadcom 1
#40 Bram Staes 1
#40 Lachezar Sachov Dodov Wacom Co. 1
#40 Asen Alexandrov Broadcom 1
#40 Boriana Mladenova Wacom Co. 1
#40 Taylor Michael Giddens Ingram Micro 1
#40 Aleksey Slavov Dyulgerski 1
#40 Vladimir Todorov Intel 1
#40 Filip Tsvetkov Filipov Melexis Bulgaria 1