Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David W. Chang — 4 Patents in 2021

Cisco: 4 patents #209 of 1,849Top 15%
Sunnyvale, CA: #270 of 3,062 inventorsTop 9%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #51,905 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11057343 Default gateway extension Abhijit Patra, Nagaraj Bagepalli, Dileep K. Devireddy, Ganesh Sadasivan 2021-07-06 $48,237,000
11005682 Policy-driven switch overlay bypass in a hybrid cloud network environment Abhijit Patra, Nagaraj Bagepalli, Dileep K. Devireddy 2021-05-11 $58,663,000
10972312 Programmable infrastructure gateway for enabling hybrid cloud services in a network environment Nagaraj Bagepalli, Abhijit Patra, Murali Anantha, Prashanth Thumbargudi 2021-04-06 $59,071,000
10901769 Performance-based public cloud selection for a hybrid cloud environment Rakesh M. Pathak 2021-01-26 $32,256,000