Krishnakumar Narayanan has been granted 6 US patents while listed as an inventor at Ecrio. The first was granted in 2004 and the most recent in May 2016. Krishnakumar Narayanan ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Krishnakumar Narayanan in Pleasanton, CA, US.