Inventor · disambiguated record
Jan Marinus Van Doorn
Also filed as: VAN DOORN JAN MARINUS
3 granted patents·190 citations·filing 2002–2012
71Inventor score
Technology areasH04R
Top patents by PatentIndex Score
3 records- 0191US7072482B2Microphone with improved sound inlet portSONION NEDERLAND BV·Filed 2002·Granted Jul 4, 2006·183 cites·38 claims
- 0273US9906880B2Listening support device, in particular a hearing aid, and a compressible case for application therewithVAN DOORN JAN MARINUS·Filed 2012·Granted Feb 27, 2018·6 cites·10 claims
- 0351US9143871B2Micro converter, audio device and hearing aidVAN DOORN JAN MARINUS·Filed 2012·Granted Sep 22, 2015·1 cites·20 claims
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