Richard Johnsen
5Patents
2h-index
6Co-inventors
44Inventor score
Filing activity: Jul 10, 1985 → Apr 15, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7939219B2 | Carbonate fuel cell and components thereof for in-situ delayed addition of carbonate electrolyte | Emerging Cross-Sectional Technologies | 17 | Active |
| US6890679B2 | Dual-porosity ribbed fuel cell cathode | Emerging Cross-Sectional Technologies | 11 | Expired |
| USD303073S | Offset body hammer | General | 2 | Expired |
| US7201985B2 | Inactive end cell assembly for fuel cells for improved electrolyte management and electrical contact | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8383283B2 | Fuel cell with electrical short circuit prevention means | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.