Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
HH

Henricus Maria Joseph Holtmaat

NB Nova Perenne Bv: 2 patents #1 of 1Top 100%
AB Ab-Kwekersrechten B.V.: 1 patents #1 of 1Top 100%
📍 Zuidwolde, NL: #1 of 3 inventorsTop 35%
Overall (2025): #60,945 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
PP36982 Delphinium plant named ‘Dellas 812’ — 2025-09-23
PP36815 Rudbeckia plant named ‘RUDBDIV658’ — 2025-07-08
PP36816 Rudbeckia plant named ‘RUDBSUN303’ — 2025-07-08