ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,793, issued on Dec. 2, was assigned to YANMAR HOLDINGS Co. LTD. (Osaka, Japan).
"Engine device" was invented by Daichi Matsunaga (Osaka, Japan), Kazuteru Toshinaga (Osaka, Japan), Yusuke Honda (Osaka, Japan) and Kenji Hiraoka (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This engine device runs on a fuel containing a toxic substance. The engine device includes: an exhaust passage that causes an exhaust substance that is discharged from an engine, such as an exhaust gas or a blow-by gas, to flow through; a plurality of treatment devices having different functions that are disposed in the exhaust passage as devices that perform a treatme...