Engelbert Hartl
5Patents
4h-index
5Co-inventors
42Inventor score
Filing activity: Jan 30, 1987 → Jan 11, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4792959A | Laser diode | Electricity | 18 | Expired |
| US5457756A | Fiber-optic depolarizer | Physics | 15 | Expired |
| US5347354A | Sagnac-type optical fiber gyroscope having depolarizers of differing lengths | Physics | 5 | Expired |
| US5227860A | Sagnac-type fiber-optic gyro with 3.times.coupler arrangement for controlling intensity and wavelength of light source | Physics | 4 | Expired |
| US5430818A | Protective cladding for a mono-mode directional coupler | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.