Inventor · disambiguated record
Camiel Eugène Groffen
Also filed as: GROFFEN CAMIEL EUGÈNE
4 granted patents·4 citations·filing 2017–2018
60Inventor score
Technology areasH04R
Files withSONION NEDERLAND BV4
Top patents by PatentIndex Score
4 records- 0170US10699833B2Magnet assemblySONION NEDERLAND BV·Filed 2017·Granted Jun 30, 2020·2 cites·20 claims
- 0266US10721566B2Receiver assembly comprising an armature and a diaphragmSONION NEDERLAND BV·Filed 2018·Granted Jul 21, 2020·2 cites·16 claims
- 0338US10708685B2Receiver with venting openingSONION NEDERLAND BV·Filed 2018·Granted Jul 7, 2020·0 cites·17 claims
- 0437US10687148B2Assembly comprising an electrostatic sound generator and a transformerSONION NEDERLAND BV·Filed 2017·Granted Jun 16, 2020·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →