Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sofia, BG ranks #1,574 worldwide for total patents filed in 2017, with 84 patents from 67 inventors. Leading employers of inventors based in Sofia, BG include Atmel, Sap Se, Wacom Co..

Showing 1–50 of 67 inventors

Rank Inventor Primary Company Patents
1 Luben Hristov Atmel 8
2 Stoyan Zhivkov Boshev Sap Se 4
3 Branimir Angelov Wacom Co. 2
3 Dimitar Ivanov Petrov Insight Automation 2
3 Yanislav Mihaylov Sap Se 2
3 Petar D. Petrov Sap Se 2
3 Nikolai D. Tankov Sap Ag 2
3 Vladimir Koylazov Chaos Software 2
3 Hristo Iliev Sap Se 2
#10 Georgi Stanev Sap Ag 1
#10 Ivan I. Georgiev Sanbolic 1
#10 Aleksandar Aleksandrov Robert Bosch Gmbh 1
#10 Petrunka Atanasova MALINOVA King Abdulaziz University 1
#10 Nikolai Neichev Sap Ag 1
#10 Georgi Georigev Unknown 1
#10 Petar Skelin Sap Se 1
#10 Yulian Zagranyarski Basf Se 1
#10 Krasimir P. Semerdzhiev Sap Ag 1
#10 Chavdar S. Baikov Sap Ag 1
#10 Dimitar Tenev Sap Se 1
#10 Tihomir Plamenov Paskalev Broadcom 1
#10 Nikolai Veselinov Neichev Sap Se 1
#10 Deyan Popov Broadcom 1
#10 Vasily Semyonov Acronis International Gmbh 1
#10 Stoyan Georgiev Gaydov 1
#10 Angel Ventsislavov Petkov Ez As A Drink Productions 1
#10 Pavel Genevski Sap Se 1
#10 Tihomir Varbanov Nicira 1
#10 Lako Panov Lakov King Abdulaziz University 1
#10 Ivaylo Georgiev Slavkov Gilat Satellite Networks 1
#10 Hristo Aleksiev 1
#10 Illian Milinov 1
#10 Tsvetan Stoyanov Sap Se 1
#10 Kiril Asenov Ninov Unknown 1
#10 Viktor Kalvachev Activbody 1
#10 Manol Atanassov Roujinov 1
#10 Monika M. Kovachka-Dimitrova Sap Ag 1
#10 Rumen Marinov Peev Melexis Bulgaria 1
#10 Tony Ganchev Broadcom 1
#10 Petar Zhechev Sap Se 1
#10 Vladimir Dimtchev Dimitrov Johnson & Johnson 1
#10 Krasimir Popov 1
#10 Borislav Marinov Gilat Satellite Networks 1
#10 Pham Quang Sap Ag 1
#10 Nikolay Todorov DISHOVSKY King Abdulaziz University 1
#10 Andrey Atanasov Kolakov 1
#10 Velichka Ilieva Apostolova-Dimova Unknown 1
#10 Rumyana Gueorguieva Konstantinova Unknown 1
#10 Evtimia Ivanova Stefanova Unknown 1
#10 Peter K. Matov Sap Ag 1