US Patent Issued to KYOSAN ELECTRIC on Jan. 27 for "Maintenance apparatus, maintenance system, and maintenance method" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,116, issued on Jan. 27, was assigned to KYOSAN ELECTRIC MFG. Co. LTD. (Yokohama, Japan).

"Maintenance apparatus, maintenance system, and maintenance method" was invented by Naoki Hashimoto (Tokyo), Masakazu Sonobe (Tokyo), Minoru Sano (Yokosuka, Japan), Takahiro Kikuno (Yokohama, Japan), Yuta Ichikawa (Warabi, Japan) and Yohei Morimoto (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A maintenance apparatus (10) transmits a pulse signal from a predetermined observation point (P) of rails (R), observes an observation signal that appears at the observation point (P) after transmission of the pulse signal, compares an observation history...