Patent assignee · NL · COMPANY

Sonion Nederland B.V.

138Patents
124Active
138Granted
53Portfolio score

Filing activity: Jul 1, 1999 → Dec 16, 2022 · 24 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7072482B2 Microphone with improved sound inlet port Electricity 164 Expired
US8526651B2 Receiver module for inflating a membrane in an ear device Electricity 136 Active
US8526652B2 Receiver assembly for an inflatable ear device Electricity 127 Active
US7239714B2 Microphone having a flexible printed circuit board for mounting components Electricity 119 Expired
US7088839B2 Acoustic receiver having improved mechanical suspension Electricity 112 Expired
US6914992B1 System consisting of a microphone and a preamplifier Electricity 101 Expired
US7181035B2 Acoustical receiver housing for hearing aids Electricity 100 Expired
US7206428B2 Acoustic receiver having improved mechanical suspension Electricity 99 Active
US7292876B2 Digital system bus for use in low power instruments such as hearing aids and listening devices Electricity 95 Expired
US7460681B2 Radio frequency shielding for receivers within hearing aids and listening devices Electricity 95 Expired
US7912240B2 Dual diaphragm electroacoustic transducer Electricity 95 Active
US8103039B2 Microphone assembly with a replaceable part Electricity 93 Active
US7286680B2 Cylindrical microphone having an electret assembly in the end cover Electricity 92 Expired
US8098854B2 Multiple receivers with a common spout Electricity 91 Active
US7190803B2 Acoustic transducer having reduced thickness Electricity 90 Expired
US8379899B2 Electro-acoustical transducer and a transducer assembly Electricity 88 Active
US7136496B2 Electret assembly for a microphone having a backplate with improved charge stability Emerging Cross-Sectional Technologies 87 Expired
US7953241B2 Microphone assembly Electricity 86 Expired
US7822218B2 Electroacoustic transducer mounting in shells of hearing prostheses Electricity 85 Active
US7899203B2 Transducers with improved viscous damping Electricity 83 Active
US7492919B2 Method for fixing a diaphragm in an electroacoustic transducer Emerging Cross-Sectional Technologies 83 Active
US7292700B1 Microphone for a hearing aid Electricity 82 Expired
US7706561B2 Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer Electricity 82 Active
US8170249B2 Hearing aid having two receivers each amplifying a different frequency range Electricity 82 Active
US7657048B2 Acoustical receiver housing for hearing aids Electricity 81 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.