Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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David Tcheng — 4 Patents in 2017

GOGopro: 4 patents #29 of 138Top 25%
San Mateo, CA: #45 of 668 inventorsTop 7%
California: #5,406 of 60,394 inventorsTop 9%
Overall (2017): #48,872 of 506,227Top 10%
4 Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9756281 Apparatus and method for audio based video synchronization 2017-09-05
9697849 Systems and methods for audio based synchronization using energy vectors 2017-07-04
9653095 Systems and methods for determining a repeatogram in a music composition using audio features 2017-05-16
9640159 Systems and methods for audio based synchronization using sound harmonics 2017-05-02