Ralph Johnston
6Patents
5h-index
9Co-inventors
56Inventor score
Filing activity: Sep 9, 1983 → Nov 10, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6232681A | Electromagnetic device with embedded windings and method for its manufacture | Emerging Cross-Sectional Technologies | 36 | Expired |
| US4536697A | Vehicle electrical energy management system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7145259B2 | Engine starting motor anti-milling device | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6362544B1 | Electromagnetic device with embedded windings and method for its manufacture | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6156264A | Electromagnetic compacting of powder metal for ignition core application | Electricity | 9 | Expired |
| US6895175B2 | Electrical control circuit and method | Mechanical Engineering; Lighting; Heating | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.