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

William Tang — 3 Patents

UMUnited Microelectronics: 2 patents #1,942 of 4,560Top 45%
Northrop Grumman: 1 patents #1,512 of 2,250Top 70%
Orinda, CA: #227 of 531 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
William Tang has been granted 3 US patents while listed as an inventor at United Microelectronics. The first was granted in 2004 and the most recent in June 2007. William Tang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list William Tang in Orinda, CA, US.

Patents per Year

Patents granted per year, 2004 to 2007Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042005: 1 patents20052007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7233472 Highly efficient line transient protection circuit for high power loads Maurice L. Strong, III 2007-06-19 $29,366,000
6882136 Variable impedance network for an integrated circuit potentiometer Hagop Nazarian, Zhan Duan, Chao-Ming Tsai, Lawrence D. Engh 2005-04-19 $856,000
6788042 Variable impedance network for an integrated circuit potentiometer Hagop Nazarian, Zhan Duan, Chao-Ming Tsai, Lawrence D. Engh 2004-09-07 $1,653,000