ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,790, issued on April 21, was assigned to TERUMO K.K. (Tokyo).

"Cell culturing system, sensor kit, and method of determining lifespan of enzyme sensor" was invented by Masatsugu Igarashi (Shizuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell culturing system includes an enzyme sensor that detects a concentration of a predetermined component of a culture medium used for culturing of cells, a sensor flow path in which the enzyme sensor is disposed, and a bioreactor that performs culturing of cells while causing the culture medium to flow through the sensor flow path, and further includes a deterioration index calculation unit that dete...