Keith Johnston
3Patents
2h-index
7Co-inventors
37Inventor score
Filing activity: Sep 24, 1990 → Feb 18, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5092856A | Valve for catheter reservoir bag | Human Necessities | 13 | Expired |
| US7695745B2 | Dairy product and process | Human Necessities | 11 | Expired |
| US7604825B2 | Process for making cheese containing gum | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.