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According to the latest report from KnowMade, the number of global filter-related patent families has exceeded 15,400, with nearly half of them filed after 2020, indicating a significant acceleration in innovation in the post-5G era. As a core component of the RF front-end, RF acoustic filters are evolving towards platform-level acoustic engineering as the complexity and integration of frequency bands increase. In terms of the competitive landscape, companies like Murata and Qualcomm remain leaders in the intellectual property domain, but Chinese enterprises are rapidly rising, with Huawei, Ruishichuangxin, and others becoming key players. The entry of new players after 2022 has further intensified competition in the high-frequency platform sector.
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