Herbert A. Johnson
3Patents
2h-index
2Co-inventors
34Inventor score
Filing activity: May 2, 1978 → Jan 8, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4842621A | Recovery process | Performing Operations; Transporting | 20 | Expired |
| US4244698A | Method for drying magnesium sulfate | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5049744A | Radioactive particle densitometer apparatus employing modulation circuitry | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.