JP

Jorma Ponkala

VO Vaisala Oyj: 7 patents #5 of 127Top 4%
KO Kemira Oy: 1 patents #20 of 84Top 25%
📍 Helsinki, FI: #410 of 3,940 inventorsTop 15%
Overall (All Time): #590,703 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5631418 Electrically detected impedance detector for the measurement of physical quantities, in particular of temperature or humidity, and process for the manufacture of said detectors Ingmar Stuns, Simo Tammela, Heikki Turtiainen 1997-05-20
5557042 Impedance detector, in particular for radiosonde operation, as well as a process for the manufacture of a detector Ari Paukkunen 1996-09-17
5553495 Impedance detector, in particular for radiosonde operation and process for manufacture of an impedance detector Ari Paukkunen 1996-09-10
5511418 Method for measurement of relative humidity, in particular in radiosondes, and humidity detectors that make use of the method Veijo Antikainen, Ari Paukkunen, Lars Stormbom, Hannu Jauhiainen 1996-04-30
5485747 Method of measurement of relative humidity, in particular in radiosondes, and humidity detectors that make use of the method Veijo Antikainen, Ari Paukkunen, Lars Stormbom, Hannu Jauhiainen 1996-01-23
5156045 Method related to impedance detectors in radiosondes 1992-10-20
4905687 Method and apparatus for regulating air supplied to a gas mask 1990-03-06
4295090 Electronic selector switch particularly for use in radioscondes 1981-10-13
4295091 Circuit for measuring low capacitances 1981-10-13