ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,592, issued on Sept. 9, was assigned to THE JAPAN STEEL WORKS LTD. (Tokyo).

"Injection molding machine and injection apparatus" was invented by Yutaka Nakagawa (Tokyo), Yusuke Yonehara (Tokyo) and Toshio Toyoshima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A configuration of oil hydraulic power unit is simplified. In the oil hydraulic power unit, a port B and a port C are communicated to each other. By this, the hydraulic oil supplied to the port B can also be supplied to the port C even in exclusion of the solenoid valve and the flow-rate control valve, and, as a result, the hydraulic oil supplied to the port C contacts a side surface o...