Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Longuenesse, FR ranks #10,793 worldwide for total patents filed in 2021, with 7 patents from 5 inventors. Leading employers of inventors based in Longuenesse, FR include Roquette Freres, Sicpa Holding Sa, Centre Hospitalier Regional Et Universitaire De Lille (Chru).

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Xavier Parissaux Roquette Freres 2
1 John HOGGETT Sicpa Holding Sa 2
3 Nicolas Blanchemain Centre Hospitalier Regional Et Universitaire De Lille (Chru) 1
3 Sylvain Delaroche Corbion Biotech 1
3 Clément Callens Centre Technique Des Industries Mecaniques 1