Eugene Campbell
9Patents
4h-index
4Co-inventors
50Inventor score
Filing activity: Apr 5, 1976 → Nov 1, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4037157A | Electro-optical speed transducer | Physics | 15 | Expired |
| US9844362B2 | Exchangeable core biopsy needle | Human Necessities | 7 | Active |
| US10159470B2 | Exchangeable core biopsy needle | Human Necessities | 5 | Active |
| US4224569A | Display stabilization circuit | Physics | 4 | Expired |
| US9877708B2 | Exchangeable core biopsy needle | Human Necessities | 1 | Active |
| US10485583B2 | Endoscopic ultrasound fine needle fiducial system | Human Necessities | 1 | Active |
| US10758213B2 | Exchangeable core biopsy needle | Human Necessities | 0 | Active |
| US11382661B2 | Endoscopic ultrasound fine needle fiducial system | Human Necessities | 0 | Active |
| US10182798B2 | Exchangeable core biopsy needle | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.