Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MH

Marcel Hahn — 3 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
CCCiba Specialty Chemicals: 1 patents #701 of 1,233Top 60%
Magden, CH: #21 of 48 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Marcel Hahn has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2009 and the most recent in September 2012. Marcel Hahn ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Marcel Hahn in Magden, CH.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8270063 Encapsulated dispersions comprising electrophoretically mobile organic colorants Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Kishor Kumar Mistry, Clemens Auschra 2012-09-18
8040592 Encapsulated dispersions comprising electrophoretically mobile organic colorants Margherita Fontana, Gerardus De Keyzer, Philippe Bugnon, Kishor Kumar Mistry, Clemens Auschra 2011-10-18
7621994 Preparations of pteridine pigments Philippe Bugnon, Karin Karrer, Werner Sieber 2009-11-24