Jean Youla
6Patents
5h-index
8Co-inventors
52Inventor score
Filing activity: Jul 1, 1977 → Jul 11, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5036321A | Capacitive sensing, solid state touch button system | Electricity | 108 | Expired |
| US5039832A | Touch button light ring system | Emerging Cross-Sectional Technologies | 41 | Expired |
| USD318632S | Call button indicator and wall plate for elevators | General | 17 | Expired |
| US4147235A | Elevator control system | Performing Operations; Transporting | 11 | Expired |
| US4847728A | Detecting a defective suppressor diode in a coil driving circuit | Electricity | 5 | Expired |
| US5313026A | Electronic stepper to determine elevator car position, with automatic error correction and immunity from power failure | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.