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USPTO Patent Rankings Data through Sept 30, 2025
HH

Hidde de Haan — 3 Patents

Ede, NL: #25 of 144 inventorsTop 20%
Overall (All Time): #1,556,003 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8290197 Electrostatic speaker systems and methods Ronald Buining, Gaston Bastiaens, Ton Hoogstraaten, Uwe Kempe, Karl-Heinz Fink +1 more 2012-10-16
8000483 Electrostatic loudspeaker systems and methods James Tuomy, Ronald Buining, Gaston Bastiaens, Ton Hoogstraaten 2011-08-16
7054456 Invertedly driven electrostatic speaker Maarten Smits 2006-05-30