Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Nagendra Kumar Nainar

Cisco: 231 patents #9 of 13,007Top 1%
Morrisville, NC: #2 of 952 inventorsTop 1%
North Carolina: #21 of 45,564 inventorsTop 1%
Overall (All Time): #2,405 of 4,157,543Top 1%
231 Patents All Time

Issued Patents All Time

Showing 226–231 of 231 patents

Patent #TitleCo-InventorsDate
9571405 Metadata augmentation in a service function chain Carlos M. Pignataro, James N. Guichard, Paul Quinn 2017-02-14
9537712 Detecting failures of backup label switched paths in a network environment Rajiv Asati, Carlos M. Pignataro 2017-01-03
9531850 Inter-domain service function chaining Carlos M. Pignataro 2016-12-27
9497107 Seamless path monitoring and rapid fault isolation using bidirectional forwarding detection in a network environment Nobushige Akiya, David Delano Ward, Carlos M. Pignataro, Tarek Saad, Muthurajah Sivabalan 2016-11-15
9450829 Seamless segment routing Clarence Filsfils, David Delano Ward, Stewart Frederick Bryant, Daniel C. Frost, Carlos M. Pignataro 2016-09-20
9237078 Path validation in segment routing networks Carlos M. Pignataro, Nobushige Akiya 2016-01-12