TDK RF Solutions

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01Q AERIALS 2108
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7030829 Transmission line conductor for log-periodic dipole arrayDec 04, 03Apr 18, 06[H01Q]
6337608 Formation of a transmission-line transformer providing a frequency-dependent impedance transformation ratioSep 22, 99Jan 08, 02[H01P]
5926150 Compact broadband antenna for field generation applicationsFeb 06, 98Jul 20, 99[H01Q]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6677912 Transmission line conductor for log-periodic dipole arrayExpiredDec 13, 01Jan 13, 04[H01Q]
6657601 Metrology antenna system utilizing two-port, sleeve dipole and non-radiating balancing networkExpiredDec 21, 01Dec 02, 03[H01Q]
6515632 Multiply-fed loop antennaExpiredJul 12, 01Feb 04, 03[H01Q]
6329955 Broadband antenna incorporating both electric and magnetic dipole radiatorsExpiredOct 26, 99Dec 11, 01[H01Q]
6329958 Antenna formed within a conductive surfaceExpiredSep 11, 99Dec 11, 01[H01Q]
6323821 Top loaded bow-tie antennaExpiredMar 23, 00Nov 27, 01[H01Q]
6208306 Compact, broadband antennas based on folded, top-loaded broadband dipoles with high-pass tuning elementsExpiredApr 16, 99Mar 27, 01[H01Q]
6154182 Extensible top-loaded biconical antennaExpiredMar 23, 99Nov 28, 00[H01Q]

Top Inventors for This Owner

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