Inventor · disambiguated record
Roelof A. Marissen
Also filed as: MARISSEN ROELOF A
3 granted patents·250 citations·filing 2002–2010
79Inventor score
Top patents by PatentIndex Score
3 records- 0195US7684575B2Electret assembly for a microphone having a backplate with improved charge stabilitySONION NEDERLAND BV·Filed 2006·Granted Mar 23, 2010·77 cites·12 claims
- 0294US8280082B2Electret assembly for a microphone having a backplate with improved charge stabilityVAN HALTEREN AART Z·Filed 2010·Granted Oct 2, 2012·77 cites·21 claims
- 0394US7136496B2Electret assembly for a microphone having a backplate with improved charge stabilitySONION NEDERLAND BV·Filed 2002·Granted Nov 14, 2006·96 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →