John O'Keefe
6Patents
3h-index
8Co-inventors
50Inventor score
Filing activity: Oct 22, 1984 → May 6, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4598408A | High extraction efficiency cylindrical ring resonator | Electricity | 60 | Expired |
| US5248977A | One-dimensional electronic image scanner | Electricity | 13 | Expired |
| US7801763B2 | Point of sale computer system delivering composited two- and three-dimensional images | Physics | 4 | Active |
| US8234171B2 | Point of sale computer system delivering composited two- and three-dimensional images | Physics | 3 | Active |
| US8438065B2 | Point of sale computer system delivering composited two- and three-dimensional images | Physics | 2 | Active |
| US9600813B2 | Point of sale computer system delivering composited two- and three-dimensional images | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.