M2ANY GmbH
4Patents
1Active
4Granted
34Portfolio score
Filing activity: Feb 26, 2002 → Aug 31, 2004 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7460994B2 | Method and apparatus for producing a fingerprint, and method and apparatus for identifying an audio signal | Physics | 98 | Expired |
| US7580832B2 | Apparatus and method for robust classification of audio signals, and method for establishing and operating an audio-signal database, as well as computer program | Physics | 52 | Active |
| US7081581B2 | Method and device for characterizing a signal and method and device for producing an indexed signal | Physics | 9 | Expired |
| US7478045B2 | Method and device for characterizing a signal and method and device for producing an indexed signal | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.