FR

Frans C. de Ronde

U.S. Philips: 8 patents #426 of 8,851Top 5%
ND National Research Development: 4 patents #45 of 1,071Top 5%
Overall (All Time): #429,628 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5111164 Matching asymmetrical discontinuities in a waveguide twist 1992-05-05
4956622 Waveguide H-plane junctions 1990-09-11
4891614 Matching asymmetrical discontinuties in transmission lines 1990-01-02
4890117 Antenna and waveguide mode converter 1989-12-26
4527165 Miniature horn antenna array for circular polarization 1985-07-02
4525690 N-port coupler 1985-06-25
4490695 Wideband power adder-divider for high-frequency circuits and impedance transformer realized on the basis of the adder-divider 1984-12-25
4486758 Antenna element for circularly polarized high-frequency signals 1984-12-04
4484163 Arrangement for biasing high-frequency active components 1984-11-20
4383227 Suspended microstrip circuit for the propagation of an odd-wave mode 1983-05-10
4327342 Bandstop filter for very high frequency transmission lines and biassing circuit for a very high frequency transistor comprising this filter 1982-04-27
4264881 Microwave device provided with a 1/2 lambda resonator 1981-04-28