Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Düren, HI ranks #87,345 worldwide for total patents filed all time, with 2 patents from 1 inventor. Leading employers of inventors based in Düren, HI include Bucher Guyer Ag.

Showing 1–1 of 1 inventors

Rank Inventor Primary Company Patents
1 Carl Ley Bucher Guyer Ag 2

Part of Hawaii