Michael Perkmann
8Patents
2h-index
11Co-inventors
44Inventor score
Filing activity: Feb 25, 2011 → Dec 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8903101B2 | Active noise reduction system | Physics | 11 | Active |
| US9613612B2 | Noise reducing sound reproduction system | Physics | 6 | Active |
| US11528551B2 | Acoustic filters for microphone noise mitigation and transducer venting | Electricity | 1 | Active |
| US11115749B2 | In-ear active noise-cancelling earphone | Electricity | 0 | Active |
| US12003915B2 | Acoustic filters for microphone noise mitigation and transducer venting | Electricity | 0 | Active |
| US10477312B2 | Earphone with active suppression of ambient noise | Electricity | 0 | Active |
| US11587543B2 | Calibration of active noise-cancelling headphones | Electricity | 0 | Active |
| US9456269B2 | Plug earphone or a concha earphone | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.