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

David Haydon — 3 Patents

Sony: 2 patents #13,023 of 25,231Top 55%
San Diego, CA: #9,932 of 23,606 inventorsTop 45%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Haydon has been granted 3 US patents while listed as an inventor at Sony. The first was granted in 2010 and the most recent in April 2025. David Haydon ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Haydon in San Diego, CA, US.

Patents per Year

Patents granted per year, 2010 to 2025Bar chart with a peak of 1 patents in 2010.peak 12010: 1 patents20102023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12277197 Using neural network to classify relationship for secure lending of digital content Monica Dabaghi, Urson Urbanik, Cullen Coughlin, Yun Chen 2025-04-15
11748456 Secure access to shared digital content Monica Dabaghi, Urson Urbanik, Cullen Coughlin, Yun Chen 2023-09-05 $716,000
7756275 Dynamically controlled digital audio signal processor Duncan J. Crundwell 2010-07-13