ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,682, issued on April 14, was assigned to EM labs Inc. (Kobe, Japan).
"Open resonator" was invented by Yoshiyuki Yanagimoto (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An open resonator capable of measuring dielectric characteristic of a sample having anisotropy in a dielectric constant with high accuracy. The open resonator includes two spherical reflection mirrors respectively having two reflection spherical surfaces which are arranged to face each other; and a signal injection portion for inputting an input signal used for measuring a dielectric characteristic of a sample arranged between the two reflection spherical surfaces. At ...