Stephane Hentzel has been granted 11 US patents while listed as an inventor at Google. The first was granted in 2010 and the most recent in November 2019. Stephane Hentzel ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Stephane Hentzel in Yverdon-les-Bains, CH.