Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

John Chang — 2 Patents in 2017

Apple: 1 patents #1,658 of 3,433Top 50%
PUPrinceton University: 1 patents #15 of 93Top 20%
Overall (2017): #139,862 of 506,227Top 30%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9838125 Multibeam radio frequency photonic beamformer using a multi-signal slow light time delay unit Paul R. Prucnal, Matthew Chang 2017-12-05
9830137 Installation of software onto a computer Jack R. Matthew 2017-11-28 $48,139,000