US Patent Issued to Huawei Technologies on May 27 for "Dielectric filter and communication device" (Chinese, Japanese Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,978, issued on May 27, was assigned to Huawei Technologies Co. Ltd. (Shenzhen, China).

"Dielectric filter and communication device" was invented by Dongchun Qiao (Yokohama, Japan), Fanghai Xu (Shenzhen, China), Jing Shi (Shanghai) and Xiaoliang Du (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this application provide a dielectric filter and a communication device. The dielectric filter includes: a dielectric body, a first blind via and a second blind via that are provided in the dielectric body, a through hole located between the first blind via and the second blind via, and an insulating portion, where inner walls of the f...