Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Don Liu — 2 Patents

UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
Luodong, TW: #44 of 137 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Don Liu has been granted 2 US patents while listed as an inventor at United Microelectronics. The first was granted in 1999 and the most recent in May 2000. Don Liu ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Don Liu in Luodong, TW.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6064704 Digital pulse filtering circuit Neil Tai 2000-05-16
5953070 Digital pulse filtering circuit Neil Tai 1999-09-14