4. Communications: radio wave antennas
  5. Antennas
  6. Active sleeve surrounds feed line

Masaaki Yamabayashi

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Antenna for portable cellular telephone

Communications: radio wave antennas – Antennas – With radio cabinet
Reexamination Certificate

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Helical coil, method of producing same and helical antenna using

Communications: radio wave antennas – Antennas – Spiral or helical type
Patent

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Mobile radio antenna

Communications: radio wave antennas – Antennas – Active sleeve surrounds feed line
Reexamination Certificate

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Mobile radio antenna

Communications: radio wave antennas – Antennas – Active sleeve surrounds feed line
Patent

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Profile ID: LFUS-PAI-P-1823605

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