Leif Lund
81Patents
25h-index
12Co-inventors
85Inventor score
Filing activity: Feb 7, 1992 → Aug 3, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6229366A | Off-line converter with integrated softstart and frequency jitter | Electricity | 100 | Expired |
| US6249876A | Frequency jittering control for varying the switching frequency of a power supply | Electricity | 94 | Expired |
| US6462971B1 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 82 | Expired |
| US6366481B1 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 78 | Expired |
| US6356464B1 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 74 | Expired |
| US6297623A | Off-line converter with digital control | Electricity | 70 | Expired |
| US6538908B2 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 67 | Expired |
| US6147883A | Output feedback and under-voltage detection | Electricity | 64 | Expired |
| US6304462A | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 60 | Expired |
| US6107851A | Offline converter with integrated softstart and frequency jitter | Electricity | 60 | Expired |
| US6643153B2 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 57 | Expired |
| US6914793B2 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 55 | Expired |
| US6313976A | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 40 | Expired |
| US6351398B1 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 36 | Expired |
| US6337788B1 | Fault condition protection | Electricity | 33 | Expired |
| US6747444B2 | Off-line converter with digital control | Electricity | 32 | Expired |
| US7995359B2 | Method and apparatus for implementing an unregulated dormant mode with an event counter in a power converter | Emerging Cross-Sectional Technologies | 30 | Active |
| US6608471B2 | Off-line converter with digital control | Electricity | 29 | Expired |
| US6414471B1 | Off-line converter with digital control | Electricity | 28 | Expired |
| US5245526A | Below ground current sensing with current input to control threshold | Electricity | 28 | Expired |
| US6438003B1 | Output feedback and under-voltage detection system that senses an input current representing a voltage input | Electricity | 28 | Expired |
| US7253997B2 | Method and apparatus providing a multi-function terminal for a power supply controller | Electricity | 26 | Expired |
| US7099128B2 | Fault condition protection | Electricity | 26 | Expired |
| US7038439B2 | Off-line converter with digital control | Electricity | 25 | Expired |
| US6876181B1 | Off-line converter with digital control | Electricity | 25 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.