ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,577, issued on Oct. 21, was assigned to PROTERIAL LTD. (Tokyo).
"Dielectric waveguide" was invented by Hiroshi Ishikawa (Tokyo), Takahiro Sugiyama (Tokyo) and Izumi Fukasaku (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The dielectric waveguide 1 transmits an electromagnetic wave with a frequency of 20 GHz or more and 200 GHz or less and includes a core 2 including a plurality of dielectric waveguide lines 21 that are bundled together and are composed of a dielectric made of a resin or quartz."
The patent was filed on April 14, 2023, under Application No. 18/134,960.
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