Robert Johnstone
2Patents
1h-index
2Co-inventors
27Inventor score
Filing activity: Nov 29, 2002 → Oct 26, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7035486B2 | Photonic integrated device | Physics | 16 | Expired |
| US7204932B2 | Polarization rotators | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.