Roger E. Johnson
5Patents
5h-index
10Co-inventors
52Inventor score
Filing activity: Jan 16, 1990 → Feb 20, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5988734A | Passenger vehicle structure | Performing Operations; Transporting | 47 | Expired |
| US5228742A | Apparatus for connecting composite vehicle body panels to composite vehicle underbodies | Performing Operations; Transporting | 41 | Expired |
| US4988144A | Plenum and wiper module removable for engine service | Performing Operations; Transporting | 17 | Expired |
| US4998769A | Cargo box for truck | Performing Operations; Transporting | 8 | Expired |
| US5249834A | Apparatus for connecting a polymeric composite pickup truck cargo box to a metallic vehicle frame | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.