US Patent Issued to NTT on July 21 for "Antenna device, and contactless power transfer system" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,239, issued on July 21, was assigned to NTT Inc. (Tokyo).

"Antenna device, and contactless power transfer system" was invented by Takanori Washiro (Tokyo) and Kazuya Akiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An antenna device used in a contactless power transmission system includes a first resonant antenna having a first impedance and a second resonant antenna having a second impedance different from the first impedance."

The patent was filed on Oct. 11, 2021, under Application No. 18/694,707.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=...