Christopher Umminger
15Patents
8h-index
10Co-inventors
69Inventor score
Filing activity: Jun 13, 1997 → Jun 15, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6476589B2 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Electricity | 108 | Expired |
| US5847554A | Synchronous switching regulator which employs switch voltage-drop for current sensing | Emerging Cross-Sectional Technologies | 87 | Expired |
| US7920013B2 | Systems and methods for oscillation suppression in switching circuits | Electricity | 33 | Active |
| US6897717B1 | Methods and circuits for more accurately mirroring current over a wide range of input current | Physics | 25 | Expired |
| US6940261B1 | Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6774611B2 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Electricity | 12 | Expired |
| US7382167B1 | Circuit and method for controlling hysteresis for bilevel signal transitions | Electricity | 10 | Expired |
| US7019497B2 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Electricity | 9 | Expired |
| US8194379B2 | Inrush current control system with soft start circuit and method | Electricity | 8 | Active |
| US7164258B2 | Circuits and methods for providing multiple phase switching regulators which employ the input capacitor voltage signal for current sensing | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8022679B2 | Systems and methods for fast switch turn on approximating ideal diode function | Electricity | 7 | Active |
| US8853885B2 | Method and system for voltage independent power supply load sharing | Physics | 3 | Active |
| US10003190B2 | Inrush control with multiple switches | Electricity | 3 | Active |
| US10418805B2 | Inrush control with multiple switches | Electricity | 2 | Active |
| US9671465B2 | Detecting faults in hot-swap applications | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.