Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KL

Keijo Lehtonen

Marttila, FI: #1 of 1 inventorsTop 100%
Overall (2016): #330,000 of 481,213Top 70%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9394207 Fertilizer, its use and a process for preparing it Juha Tilkanen 2016-07-19