Jorma Ponkala
9Patents
6h-index
7Co-inventors
52Inventor score
Filing activity: Dec 4, 1979 → Jun 6, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4295091A | Circuit for measuring low capacitances | Physics | 51 | Expired |
| US4905687A | Method and apparatus for regulating air supplied to a gas mask | Human Necessities | 19 | Expired |
| US5156045A | Method related to impedance detectors in radiosondes | Physics | 9 | Expired |
| US5553495A | Impedance detector, in particular for radiosonde operation and process for manufacture of an impedance detector | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5485747A | Method of measurement of relative humidity, in particular in radiosondes, and humidity detectors that make use of the method | Physics | 8 | Expired |
| US5511418A | Method for measurement of relative humidity, in particular in radiosondes, and humidity detectors that make use of the method | Physics | 8 | Expired |
| US5631418A | Electrically detected impedance detector for the measurement of physical quantities, in particular of temperature or humidity, and process for the manufacture of said detectors | Physics | 5 | Expired |
| US4295090A | Electronic selector switch particularly for use in radioscondes | Physics | 5 | Expired |
| US5557042A | Impedance detector, in particular for radiosonde operation, as well as a process for the manufacture of a detector | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.