James Speakman
3Patents
3h-index
4Co-inventors
39Inventor score
Filing activity: May 30, 1997 → Mar 14, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6222185A | Plasma mass spectrometer | Electricity | 24 | Expired |
| US6707032B2 | Plasma mass spectrometer | Electricity | 6 | Expired |
| US6545270B2 | Plasma mass spectrometer | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.