Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sofia Yeung — 2 Patents

Oracle: 2 patents #5,565 of 14,854Top 40%
Union City, CA: #597 of 1,177 inventorsTop 55%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Sofia Yeung has been granted 2 US patents while listed as an inventor at Oracle. The first was granted in 2001 and the most recent in November 2004. Sofia Yeung ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Sofia Yeung in Union City, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6820095 Import/export and repartitioning of partitioned objects Chung-Chien Chang 2004-11-16 $129,934,000
6240428 Import/export and repartitioning of partitioned objects Chung-Chien Chang 2001-05-29 $787,294,000