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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sofia, BG ranks #1,123 worldwide for total patents filed in 2020, with 136 patents from 97 inventors. Leading employers of inventors based in Sofia, BG include Murata Manufacturing Co., Broadcom, Wacom Co..

Showing 1–50 of 97 inventors

Rank Inventor Primary Company Patents
1 Ventsislav Yantchev Murata Manufacturing Co. 9
2 Ventsyslav Raikov Broadcom 4
2 Ivo Petkov Broadcom 4
2 Branimir Angelov Wacom Co. 4
#5 Alexander Dimitrov Broadcom 3
#5 Gospodin Gochkov Broadcom 3
#5 Boris Savov Broadcom 3
#5 Luben Hristov Atmel 3
#9 Emil Gelev Broadcom 2
#9 Dimitar Ivanov Broadcom 2
#9 Tanya Dimitrova Wacom Co. 2
#9 Rashid Rashidov Sap Se 2
#9 Rostislav Hristov Broadcom 2
#9 Nikola Atanasov Broadcom 2
#9 Rostislav Georgiev Broadcom 2
#9 Zahari Ivanov Broadcom 2
#9 Julian Vassev Broadcom 2
#9 Stoyan Zhivkov Boshev Sap Se 2
#9 Ivan Strelkov Broadcom 2
#9 Viktor Kassovski 2
#9 Radostin Georgiev Broadcom 2
#9 Stephan Zlatarev Sap Ag 2
#23 Todor Bonchev Broadcom 1
#23 Daniel Pavlov Broadcom 1
#23 Vladimir Velikov Broadcom 1
#23 Iliyan Nedkov Mihaylov Sap Se 1
#23 Rusko Atanasov Broadcom 1
#23 Evgeny Aronov Broadcom 1
#23 George P. Dimitrov Broadcom 1
#23 Stanislav Asenov Hadjiiski Broadcom 1
#23 Encho Nikolov Popov 1
#23 Ivanka Baneva Broadcom 1
#23 Dimitar Valov Sap Se 1
#23 Atanas Stoilov Bobokov 1
#23 Bjoern Pirrwitz 1
#23 Petar Nikolaev Ivanov Broadcom 1
#23 Georgi Petkov Katov Apple 1
#23 Ivan Tsonev Ivanov Gilat Satellite Networks 1
#23 Lachezar Sachov Dodov Wacom Co. 1
#23 Maria Jurova Sap Ag 1
#23 Pavel Penchev 1
#23 Plamen Valentinov Ivanov Ent. Services Development Corporation Lp 1
#23 Petar Bozhkov Visteon Global Technologies 1
#23 Teodor Marinov Nanev 1
#23 Vladimira Stankova Broadcom 1
#23 Martin Varbanov 1
#23 Hristo K. Sabev Sap Ag 1
#23 Milen Petrov Cheshmedjiev 1
#23 Vesselin ARNAUDOV Broadcom 1
#23 Vasil Mitov Broadcom 1