ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,988, issued on May 27, was assigned to TOKYO ROKI Co. LTD. (Yokohama, Japan).
"Exhaust purification apparatus" was invented by Jun Kichiya (Yokohami, Japan) and Masaki Shimizu (Yokohami, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An exhaust purification apparatus includes: a contact device configured to bring a reducing agent into contact with exhaust gas discharged from an internal combustion engine; and a catalyst device connected to the contact device, the catalyst device having an axis extending in a first direction, the catalyst device having a catalyst to promote a reaction between the reducing agent and nitrogen oxides in the exhaus...