Inventor
TATEKAWA KIYOTAKA
JP6 patents
Patents
6 patentsUS6965353B2Nov 15, 2005
Multiple frequency band antenna and signal receiving system using such antenna
DX ANTENNA77 citations96
US7277063B2Oct 2, 2007
Variable directivity antenna and variable directivity antenna system using the antennas
DX ANTENNA53 citations94
US6774863B2Aug 10, 2004
Antenna system
DX ANTENNA34 citations90
US7071891B2Jul 4, 2006
Antenna apparatus
DX ANTENNA13 citations83
US6914558B1Jul 5, 2005
Variable directivity antenna apparatus and receiver system using such antenna apparatus
DX ANTENNA14 citations83
US7084829B2Aug 1, 2006
Signal receiving system
DX ANTENNA3 citations61