ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,712, issued on May 13, was assigned to Feng Chia University (Taichung, Taiwan).

"Apparatus and method for manufacturing radial or azimuthal polarization conversion component" was invented by Jing Heng Chen (Taichung, Taiwan), Chien Yuan Han (New Taipei, Taiwan), Fan Hsi Hsu (Hsinchu, Taiwan), Kun-Huang Chen (Taichung, Taiwan), Chien Hung Yeh (Taichung, Taiwan) and Hung Lung Tseng (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for manufacturing a radial or azimuthal polarization conversion component includes a reflector having a truncated cone shape. The reflector has a top portion, a bottom portion, and a circumferenti...