Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hem, NL ranks #15,733 worldwide for total patents filed all time, with 98 patents from 6 inventors. Leading employers of inventors based in Hem, NL include Ball Horticultural, Hoffgaarde B.V., Kieft Bloemzaden B.V..

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Christa Kievit Ball Horticultural 72
2 Petrus Mattheus Maria Hoff Hoffgaarde B.V. 22
3 Linda Groot-Boon Kieft Bloemzaden B.V. 1
3 Coenrad Karel Van Kalken 1
3 Aernoudt Aardse Enza Zaden Beheer B.V. 1
3 Albertus J. Boon 1