David Johnston
3Patents
1h-index
11Co-inventors
45Inventor score
Filing activity: Sep 9, 1985 → Jul 14, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4650673A | Oral immunization of mammals | Emerging Cross-Sectional Technologies | 3 | Expired |
| US12121695B2 | Integrated cartridge assembly for administration of drugs | Human Necessities | 0 | Active |
| US10492916B2 | Orthopaedic shoulder implant | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.