Microstrip antenna

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United States of America Patent

PATENT NO 9799958
APP PUB NO 20160211581A1
SERIAL NO

14903163

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Abstract

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A microstrip antenna has two feed points. The microstrip antenna includes a feeder circuit which is configured to feed, to the two feed points, electric signals whose phases are different by 90° from each other. The feeder circuit includes a Wilkinson coupler unit and a phase-shift unit each of which is formed as a lumped constant circuit.

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Patent Owner(s)

Patent OwnerAddress
YOKOWO CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kowaita, Kazuhiro Tomioka, JP 8 16
Sampo, Takeshi Tomioka, JP 23 61

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  • 1 Citation Count
  • H01Q Class
  • 13.07 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges12867512525135312201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90050100150200250300350400450500550600650700750

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