US Patent Issued to YAMAICHI ELECTRONICS on Nov. 18 for "High-frequency signal transmission device and high-frequency signal transmission cable" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,653, issued on Nov. 18, was assigned to YAMAICHI ELECTRONICS Co. LTD. (Tokyo).

"High-frequency signal transmission device and high-frequency signal transmission cable" was invented by Hiroshi Takahira (Tokyo) and Akira Yonezawa (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "High-frequency signal transmission cable includes: a dielectric layer; and first and second wiring layers arranged to sandwich the dielectric layer. The first wiring layer includes at least M (M indicating a natural number of 2 or more) differential transmission lines. The first wiring layer further includes a group of first ground lines including at least 2xM first ground...