Douglas Johnson
2Patents
2h-index
3Co-inventors
33Inventor score
Filing activity: Mar 24, 1997 → Dec 16, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5913227A | Agent-implemented locking mechanism | Physics | 72 | Expired |
| US7699053B1 | Powered air-purifying respirator system | Human Necessities | 9 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.