Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cologne, DE ranks #5,942 worldwide for total patents filed all time, with 424 patents from 4 inventors. Leading employers of inventors based in Cologne, DE include Bayer Healthcare, Lumileds, Straumann Holding Ag.

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Hans-Joachim Santel Bayer Healthcare 381
2 Jens Meyer Lumileds 25
3 Frank Schwarz Straumann Holding Ag 13
#4 Heinz Kolbl Bayer Healthcare 5

Part of Connecticut