Gopakumar Sivanpillai has been granted 2 US patents while listed as an inventor at Mapquest. The first was granted in 2014 and the most recent in August 2016. Gopakumar Sivanpillai ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Gopakumar Sivanpillai in Viralimalai, IN.