US Patent Issued on Aug. 5 for "Effective material age estimation device, compressive strength estimation device, and program" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,365, issued on Aug. 5.

"Effective material age estimation device, compressive strength estimation device, and program" was invented by Takafumi Noguchi (Tokyo), Bochao Sun (Tokyo), Masahiro Hayasaki (Fukuoka, Japan), Shigeyuki Nishijima (Fukuoka, Japan) and Hideyuki Yamamoto (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an effective material age estimation device capable of appropriately taking relative humidity variation into consideration when estimating an effective material age. This effective material age estimation device comprises a temperature term calculation unit 13 for calculating a temperature term GammaT depe...