Jeffrey C. Johnson
7Patents
3h-index
17Co-inventors
54Inventor score
Filing activity: Jan 3, 1990 → Sep 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5107424A | Configurable marine steering system | Physics | 33 | Expired |
| US5034895A | Enhanced performance bias integrator for marine automatic pilot system | Physics | 8 | Expired |
| US7324007B2 | Instrumented rock bolt, data logger and user interface system | Fixed Constructions | 4 | Expired |
| US11368814B2 | Evacuation tracking | Electricity | 1 | Active |
| US10841748B2 | Evacuation tracking | Electricity | 0 | Active |
| US11778424B2 | Evacuation tracking | Electricity | 0 | Active |
| US12160795B2 | Evacuation tracking | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.