Inventor · disambiguated record
Holger Opfer
Also filed as: OPFER HOLGER
2 granted patents·1 pending application·4 citations·filing 2005–2017
41Inventor score
Top patents by PatentIndex Score
3 records- 0151US8848938B2Electrostatic planar loudspeaker arrangement in a motor vehicleOPFER HOLGER·Filed 2005·Granted Sep 30, 2014·4 cites·11 claims
- 0249US10566596B2Battery unit and wiring unit for a battery unitVOLKSWAGEN AG·Filed 2017·Granted Feb 18, 2020·0 cites·10 claims
- 0334US2009136049A1Device and method for acoustic communication and/or perception in a motor vehicleVOLKSWAGEN AG·Filed 2005·Application pending·0 cites
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