Inventor
SHIOKAWA TAKAYASU
7 patents
Patents
7 patentsUS5173711ADec 22, 1992
Microstrip antenna for two-frequency separate-feeding type for circularly polarized waves
KOKUSAI DENSHIN DENWA CO LTD156 citations95
US5170176ADec 8, 1992
Quadrifilar helix antenna
KOKUSAI DENSHIN DENWA CO LTD43 citations90
US5493436AFeb 20, 1996
Optical wave transmission
KOKUSAI DENSHIN DENWA CO LTD37 citations89
US4257048AMar 17, 1981
Antenna system to reduce fading caused by multipath transmission
KOKUSAI DENSHIN DENWA CO LTD16 citations73
US4074266AFeb 14, 1978
System for receiving radio waves through single antenna apparatus
KOKUSAI DENSHIN DENWA CO LTD10 citations73
US4853702AAug 1, 1989
Radio wave receiving system
KOKUSAI DENSHIN DENWA CO LTD14 citations72
US4400703AAug 23, 1983
Spiral array antenna
KOKUSAI DENSHIN DENWA CO LTD17 citations72