David Johnston
2Patents
1h-index
4Co-inventors
33Inventor score
Filing activity: Oct 28, 2013 → Jun 26, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9045379B2 | Plant growth substrate medium | Human Necessities | 2 | Active |
| US10959384B2 | Plant substrate growing medium | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.