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

David Xu — 3 Patents

DIDitech: 1 patents #5 of 7Top 75%
W&Whitaker &: 1 patents #650 of 1,437Top 50%
Sunnyvale, CA: #6,613 of 14,302 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Xu has been granted 3 US patents while listed as an inventor at Ditech. The first was granted in 1998 and the most recent in July 2023. David Xu ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Xu in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11697610 Fused quartz container having low levels of surface defects Ben M. Gauthier, Robert Koch, Todd Springer, Gloriana Volio 2023-07-11
6381049 Multi-port optical multiplexer element Sami T. Hendow 2002-04-30 $1,743,000
5748817 Fiber optic coupler package having a cover overlapping the base Sanjay Sudeora 1998-05-05