Hans-Peter Grassl
12Patents
6h-index
5Co-inventors
51Inventor score
Filing activity: Jul 11, 1980 → Aug 11, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4334150A | Circuit with an exposure measuring unit for sensor controlled range measurement | Physics | 14 | Expired |
| US4334151A | Circuit provided with an exposure measuring part for sensor-controlled telemetry | Electricity | 11 | Expired |
| US4397547A | Lens module for an opto-electronic range finder | Physics | 9 | Expired |
| US4760360A | Surface-wave resonator structure having metallization strips interrupted in sub-sections in reflector fingers | Electricity | 9 | Expired |
| US4701657A | Dispersive interdigital transducer for arrangements operating with acoustic waves | Electricity | 8 | Expired |
| US4370724A | Circuit for the sensor controlled distance measurement | Physics | 8 | Expired |
| US4799184A | Convolver arangement with acoustic waves | Physics | 5 | Expired |
| US4360256A | Single reflex camera with an optoelectronic distance meter mounted in the vicinity of the view finder eyepiece | Physics | 4 | Expired |
| US4367534A | Circuit for sensor-controlled telemetry | Physics | 4 | Expired |
| US4809213A | Two-track convolver operating with acoustic waves and with suppression of self-convolution signals | Physics | 1 | Expired |
| US4335317A | Circuit for sensor-controlled telemetry | Physics | 1 | Expired |
| US4359274A | Single reflex camera with optoelectronic distance meter | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.