Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Matthew Chang — 1 Patent in 2017

PUPrinceton University: 1 patents #15 of 93Top 20%
San Diego, CA: #1,911 of 4,582 inventorsTop 45%
California: #24,257 of 60,394 inventorsTop 45%
Overall (2017): #327,885 of 506,227Top 65%
1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9838125 Multibeam radio frequency photonic beamformer using a multi-signal slow light time delay unit Paul R. Prucnal, John Chang 2017-12-05