Elastic wave filter device and duplexer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9455682
APP PUB NO 20150155850A1
SERIAL NO

14615503

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Abstract

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In an elastic wave filter device, an elastic wave filter element chip is mounted on a board. In the elastic wave filter element chip, a ladder filter including a plurality of series arm resonators and a plurality of parallel arm resonators are provided. In/on the board, a first inductor connected in parallel to the series arm resonator and a second inductor connected between the parallel arm resonators P1-P3 and a ground potential are provided. In/on the board, a shield electrode is located between the first inductor and the second inductor.

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Patent Owner(s)

  • MURATA MANUFACTURING CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuzushita, Takuma Nagaokakyo, JP 5 15
Miyake, Takashi Nagaokakyo, JP 112 1240
Taniguchi, Yasumasa Nagaokakyo, JP 30 127

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