Ludwig Leipold
27Patents
11h-index
15Co-inventors
72Inventor score
Filing activity: Aug 10, 1978 → Dec 21, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4728826A | MOSFET switch with inductive load | Electricity | 123 | Expired |
| US5086364A | Circuitry for detecting a short circuit of a load in series with an FET | Physics | 36 | Expired |
| US4730228A | Overtemperature detection of power semiconductor components | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4947234A | Semiconductor component with power MOSFET and control circuit | Electricity | 29 | Expired |
| US4691129A | Drive circuit for a power MOSFET with source-side load | Electricity | 24 | Expired |
| US4339668A | Monolithically integrated circuit of high dielectric strength for electrically coupling isolated circuits | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5272399A | Circuit limiting the load current of a power MOSFET | Electricity | 20 | Expired |
| US4952827A | Circuit arrangement for controlling the load current in a power MOSFET | Electricity | 17 | Expired |
| US4502070A | FET Controlled thyristor | Electricity | 15 | Expired |
| US4633292A | Semiconductor component with planar structure | Electricity | 14 | Expired |
| US5371418A | Drive circuit for a power MOSFET with load at the source side | Electricity | 11 | Expired |
| US5266840A | Circuit for detecting the failure of a load which is connected in series with an electronic switch | Electricity | 10 | Expired |
| US4677325A | High voltage MOSFET switch | Electricity | 8 | Expired |
| US4875131A | Circuit configuration for monitoring a semiconductor structural element and providing a signal when the temperature exceeds a predetermined level | Electricity | 7 | Expired |
| US5172290A | Gate-source protective circuit for a power MOSFET | Electricity | 7 | Expired |
| US5029322A | Power MOSFET with current-monitoring | Electricity | 6 | Expired |
| US4688071A | Circuit arrangement comprising a phototransistor | Electricity | 6 | Expired |
| US4174535A | Integrated current supply circuit | Electricity | 6 | Expired |
| US6156621A | Method for fabricating direct wafer bond Si/SiO.sub.2 /Si substrates | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5434521A | Integrated comparator circuit | Electricity | 5 | Expired |
| US4578596A | Circuit arrangement for driving a thyristor with a phototransistor | Electricity | 4 | Expired |
| US5726478A | Integrated power semiconductor component having a substrate with a protective structure in the substrate | Electricity | 4 | Expired |
| US6774682B2 | Circuit configuration for driving a semiconductor switching element and method for same | Electricity | 3 | Expired |
| US4578595A | Circuit arrangement for drive of a thyristor with light | Electricity | 2 | Expired |
| US5160862A | MOSFET switch circuit for preventing the switch being turned on during deactivation of an inductive load | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.