EFI Corporation
3Patents
0Active
3Granted
28Portfolio score
Filing activity: Dec 28, 1973 → Oct 30, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4630163A | Method and apparatus for a transient-suppression network | Electricity | 55 | Expired |
| US5124873A | Surge suppression circuit for high frequency communication networks | Electricity | 36 | Expired |
| US3978915A | Condenser with leak detecting apparatus | Emerging Cross-Sectional Technologies | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.