Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HP

Heikki Pienisaari

Overall (All Time): #1,607,558 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6504318 Supply coupling of a fluorescent lamp 2003-01-07
6476567 Control gear for fluorescent lamps 2002-11-05
6437521 Electronic control circuit 2002-08-20