US Patent Issued to EM labs on April 21 for "Open resonator" (Japanese Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,559, issued on April 21, 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 with high accuracy by removing unnecessary higher-order mode resonance. The open resonator includes: a first spherical reflection mirror having a first reflection spherical surface; and a second spherical reflection mirror having a second reflection spherical surface arranged to face the first reflection spherical surface. At least one of diameters of opening surfaces of the first reflection s...