Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Randburg, ZA ranks #6,739 worldwide for total patents filed in 2021, with 14 patents from 10 inventors. Leading employers of inventors based in Randburg, ZA include IBM, Amsa, Joy Global Underground Mining.

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Stefan A. Gert van der stockt IBM 3
2 Darlington Shingirirai Mapiye IBM 2
2 Jeroen Engel Amsa 2
#4 Joaquim Antonio Soares de Sousa Joy Global Underground Mining 1
#4 Gary Coenrad Gasson 1
#4 Andrew Cawse Prestolite Electric 1
#4 David Carmichael Alexander Wertheim Aymes 1
#4 Bibi F. Choonara University Of The Witwatersrand, Johannesburg 1
#4 Kabwika Bisaka Mintek 1
#4 Itumeleng Thobadi Mintek 1