ES-TEC GMBH
4Patents
2Active
4Granted
36Portfolio score
Filing activity: Dec 4, 2000 → Aug 18, 2016 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6601984B2 | LED illuminating device and lighting apparatus employing the same | Emerging Cross-Sectional Technologies | 64 | Expired |
| US6611605B2 | Speaker having a device capable of generating sound and vibration | Electricity | 20 | Expired |
| US7570774B2 | Speaker having improved sound-radiating function to both directions | Electricity | 13 | Active |
| US10073528B1 | Device and method for generating a haptic moment at an actuator | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.