Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |