Robert Johnston
6Patents
6h-index
7Co-inventors
56Inventor score
Filing activity: May 10, 1979 → Sep 6, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD864223S1 | Display screen with graphical user interface | General | 58 | Active |
| USD864224S1 | Display screen with graphical user interface | General | 40 | Active |
| USD834037S1 | Display screen with graphical user interface | General | 30 | Active |
| US4215796A | Radio frequency shield structure | Performing Operations; Transporting | 20 | Expired |
| USD925565S1 | Display screen with a graphical user interface | General | 14 | Active |
| USD957426S1 | Display screen with graphical user interface | General | 11 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.