GENEVA, March 8 -- ETRA SEMICONDUCTOR (SUZHOU) CO. LTD (Room E3-801, Artificial Intelligence Industrial Park, No.88 Jinji Lake Avenue, Industrial ParkSuzhou, Jiangsu 215000), 宜确半导体(苏州)有限公司 (中国江苏省苏州市工业园区金鸡湖大道88号人工智能产业园E3-801室) filed a patent application (PCT/CN2024/138352) for "PHASE-SHIFT ATTENUATION CIRCUIT, PHASE-SHIFT ATTENUATION NETWORK, AND RADIO-FREQUENCY MICROWAVE SYSTEM" on Dec 11, 2024. With publication no. WO/2026/044998, the details related to the patent applica...