Manigandan Radhakrishnan has been granted 8 US patents while listed as an inventor at Amazon. The first was granted in 2003 and the most recent in December 2025. Manigandan Radhakrishnan ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Manigandan Radhakrishnan in Seattle, WA, US.