Sonion Tech A/S
2Patents
0Active
2Granted
28Portfolio score
Filing activity: Dec 22, 2000 → Aug 21, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6888408B2 | Preamplifier for two terminal electret condenser microphones | Electricity | 85 | Expired |
| US6555768B2 | 3D roller key | Electricity | 25 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.