Pierre Charrier
11Patents
5h-index
5Co-inventors
59Inventor score
Filing activity: Apr 1, 1981 → Aug 14, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5994689A | Photoelectric cell with stabilised amplification | Electricity | 74 | Expired |
| US4741015A | Universal X-ray unit | Human Necessities | 55 | Expired |
| US5929759A | Proximity detector with rapid reception amplification | Electricity | 6 | Expired |
| US4394771A | Apparatus for moving film cassettes | Physics | 5 | Expired |
| US5345166A | Regulated voltage two-wire detector | Electricity | 5 | Expired |
| US5195121A | X-ray beam modulator | Physics | 4 | Expired |
| US5986255A | Photoelectric cell with lockable differential processing | Physics | 3 | Expired |
| US5942812A | Proximity detector with a stable current source | Electricity | 2 | Expired |
| US7297937B2 | Photoelectric detector | Physics | 1 | Expired |
| US9182514B2 | Shielded double-coil multilayer assembly for inductive detector | Physics | 0 | Active |
| US6727488B2 | Photoreceptor circuit switchable between operating modes | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.