Alfons Fisch
20Patents
5h-index
23Co-inventors
69Inventor score
Filing activity: Nov 27, 1990 → Jun 24, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5903121A | Apparatus for triggering a DC motor with a protective circuit preventing substrate currents | Electricity | 12 | Expired |
| US6456085B1 | Diagnostic device for detecting short circuits or line interruptions in an inductive sensor | Performing Operations; Transporting | 12 | Expired |
| US6456086B1 | Voltage monitoring device for monitoring two different supply voltages received by an electronic component | Physics | 9 | Expired |
| US6257216A | Device for suppressing undesired ignitions in a spark ignition engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5231308A | Control device for controlling functions in a motor vehicle | Electricity | 7 | Expired |
| US6400106B1 | Device for reducing electromagnetic emissions of a circuit through voltage and current slewing | Electricity | 5 | Expired |
| US6204693A | Apparatus for regulating the flow of current through a load | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5323072A | Interface circuit which suppresses interference | Electricity | 3 | Expired |
| US6278278A | Measuring and diagnostic device for an ignition system of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5343350A | Circuit configuration for protecting the on-board electrical system of a motor vehicle | Physics | 2 | Expired |
| US7596436B2 | Electronic control device and method for controlling the operation of motor vehicle components | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9825527B2 | PWM generation for DC/DC converters with frequency switching | Electricity | 1 | Active |
| US10298040B2 | Timer-based thermal protection for power components of a switch mode power supply | Emerging Cross-Sectional Technologies | 1 | Active |
| US12141022B2 | Semiconductor chip and security circuit assembly containing redundant safety circuitry for monitoring base functions | Physics | 0 | Active |
| US11067626B2 | Circuit arrangement comprising a microprocessor and a voltage generating circuit | Electricity | 0 | Active |
| US11777326B2 | Device for preventing overvoltage-induced damage caused by fault propagation in safety-relevant systems | Electricity | 0 | Active |
| US11341077B2 | Method for the assignment of addresses by a master unit to a number of slave units | Physics | 0 | Active |
| US11390228B2 | Circuit arrangement for providing a plurality of supply voltages | Electricity | 0 | Active |
| US10587193B2 | Synchronous buck regulator with short circuit to voltage source protection | Emerging Cross-Sectional Technologies | 0 | Active |
| US12301038B2 | Device for operating an electronic system of a vehicle | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.