John Humphrey
4Patents
3h-index
3Co-inventors
47Inventor score
Filing activity: Apr 5, 1972 → Oct 1, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7134092B2 | Graphical user interface method and apparatus | Physics | 114 | Expired |
| US4024789A | Tone analysis system with visual display | Physics | 26 | Expired |
| US3939327A | Optical reading apparatus and method | Physics | 18 | Expired |
| US8407931B1 | Trapping method and apparatus | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.