Stephen Ulbrich
8Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: Nov 27, 1985 → Feb 15, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4659979A | High voltage current source circuit and method | Electricity | 15 | Expired |
| US5592123A | Frequency stability bootstrapped current mirror | Electricity | 5 | Expired |
| US10340786B2 | High frequency wireless power rectifier startup circuit design | Electricity | 3 | Active |
| US9899908B1 | High frequency wireless power rectifier startup circuit design | Electricity | 2 | Active |
| US9136764B2 | Apparatuses and system and method for auto-configuration of a power control system | Electricity | 1 | Active |
| US9112410B2 | Apparatuses and system having separate power control and timing control of a power control system and related method | Electricity | 0 | Active |
| US9979290B2 | Dual use bootstrap driver | Emerging Cross-Sectional Technologies | 0 | Active |
| US6342809B1 | Closed loop circuit switch mode power amplifier | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.