Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Pangchen Sun — 2 Patents

Cisco: 2 patents #5,498 of 13,007Top 45%
San Diego, CA: #11,944 of 23,606 inventorsTop 55%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,012,318 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9476763 Planar light wave circuit based optical transceiver assembly Ravinder Kachru, Stefan Pfnuer 2016-10-25
9417413 Compact multiple channel optical receiver assembly package Stefan Pfnuer, Matt Traverso, Ravinder Kachru 2016-08-16