Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Leif Lund — 4 Patents in 2018

PIPower Integrations: 4 patents #6 of 46Top 15%
San Jose, CA: #604 of 5,991 inventorsTop 15%
California: #4,911 of 60,411 inventorsTop 9%
Overall (2018): #40,778 of 503,207Top 9%
4 Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10135343 Load responsive jitter Alex B. Djenguerian, Peter Vaughan 2018-11-20
10079544 Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter Alex B. Djenguerian 2018-09-18
9985542 Controller IC with zero-crossing detector and capacitor discharge switching element David Kung 2018-05-29
9979296 Load responsive jitter Alex B. Djenguerian, Peter Vaughan 2018-05-22