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

Erkki Narhi

Lemu, FI: #1 of 2 inventorsTop 50%
Overall (2011): #307,425 of 364,097Top 85%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8070847 Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines Juha-Matti Asenbrygg, Pekka Matilainen, Ari Lievonen, Kati Lehtoranta 2011-12-06