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

Rolf Hempelmann

HAHenkel Kommanditgesellschaft Auf: 1 patents #1 of 2Top 50%
Sankt Ingbert, DE: #1 of 7 inventorsTop 15%
Overall (2004): #127,320 of 270,089Top 50%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6676821 Electrochemical production of amorphous or crystalline metal oxides with particles sizes in the nanometer range Harald Natter 2004-01-13