Soontai Tech Co., Ltd.
7Patents
3Active
7Granted
33Portfolio score
Filing activity: Jan 22, 2004 → Aug 5, 2011 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7675381B2 | Modulized wave filter | Electricity | 44 | Active |
| USD511499S1 | Filter nut | General | 17 | Expired |
| USD510910S1 | Filter nut | General | 10 | Expired |
| USD502925S1 | Filter nut | General | 8 | Expired |
| US7749026B1 | Isolator | Electricity | 8 | Active |
| US7030717B2 | Impedance-matching wave filter | Electricity | 4 | Expired |
| US8390976B2 | Lightning proof device for filter | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.