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USPTO Patent Rankings Data through Dec 31, 2025
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Engne Tang — 3 Patents

VIVimak: 1 patents #4 of 9Top 45%
Lexington, MA: #1,128 of 2,299 inventorsTop 50%
Massachusetts: #33,867 of 88,656 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Engne Tang has been granted 3 US patents while listed as an inventor at Vimak. The first was granted in 1996 and the most recent in April 1999. Engne Tang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Engne Tang in Lexington, MA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5892404 Linear power amplifier with a pulse density modulated switching power supply 1999-04-06
5561584 Electrical ground plane apparatus 1996-10-01
5554959 Linear power amplifier with a pulse density modulated switching power supply 1996-09-10