KNOWLES ELECTRONICS, LLC
🏢 View company profile →497Patents
411Active
497Granted
59Portfolio score
Filing activity: Jun 7, 1982 → Mar 20, 2024 · 30 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6781231B2 | Microelectromechanical system package with environmental and interference shield | Electricity | 289 | Expired |
| US5870482A | Miniature silicon condenser microphone | Electricity | 257 | Expired |
| US9111548B2 | Synchronization of buffered data in multiple microphones | Electricity | 247 | Active |
| US7166910B2 | Miniature silicon condenser microphone | Emerging Cross-Sectional Technologies | 189 | Expired |
| US5490220A | Solid state condenser and microphone devices | Electricity | 184 | Expired |
| US6535460B2 | Miniature broadband acoustic transducer | Electricity | 168 | Expired |
| US5740261A | Miniature silicon condenser microphone | Electricity | 145 | Expired |
| US7242089B2 | Miniature silicon condenser microphone | Emerging Cross-Sectional Technologies | 129 | Expired |
| US9640194B1 | Noise suppression for speech processing based on machine-learning mask estimation | Physics | 108 | Active |
| US9558755B1 | Noise suppression assisted automatic speech recognition | Physics | 96 | Active |
| US7434305B2 | Method of manufacturing a microphone | Emerging Cross-Sectional Technologies | 95 | Expired |
| US7537964B2 | Method of fabricating a miniature silicon condenser microphone | Emerging Cross-Sectional Technologies | 95 | Active |
| US7439616B2 | Miniature silicon condenser microphone | Emerging Cross-Sectional Technologies | 93 | Active |
| US7381589B2 | Silicon condenser microphone and manufacturing method | Emerging Cross-Sectional Technologies | 91 | Active |
| US8018049B2 | Silicon condenser microphone and manufacturing method | Emerging Cross-Sectional Technologies | 89 | Active |
| US7477756B2 | Isolating deep canal fitting earphone | Electricity | 84 | Active |
| US6847090B2 | Silicon capacitive microphone | Electricity | 82 | Expired |
| US9799330B2 | Multi-sourced noise suppression | Electricity | 77 | Active |
| US7501703B2 | Acoustic transducer module | Electricity | 70 | Expired |
| US7382048B2 | Acoustic transducer module | Electricity | 62 | Active |
| US5222050A | Water-resistant transducer housing with hydrophobic vent | Electricity | 58 | Expired |
| US5193116A | Hearing and output transducer with self contained amplifier | Electricity | 54 | Expired |
| US5960093A | Miniature transducer | Electricity | 54 | Expired |
| US6552469B1 | Solid state transducer for converting between an electrical signal and sound | Electricity | 51 | Expired |
| US8121331B2 | Surface mount silicon condenser microphone package | Emerging Cross-Sectional Technologies | 47 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.