Senthil Sivakumar has been granted 16 US patents while listed as an inventor at Cisco. The first was granted in 2006 and the most recent in December 2015. Senthil Sivakumar ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Senthil Sivakumar in Sunnyvale, CA, US.