ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,914, issued on Feb. 17, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Injection device" was invented by Tetsuhiro Takenaka (Miyoshi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection device includes an insertion portion configured to be inserted into a corresponding portion in a narrow space in a state of being grasped by an operator. The insertion portion includes an injection portion which is a double pipe line including an inner pipe line and an outer pipe line defining an annular pipe line between the inner pipe line and the outer pipe line. The inner pipe line is a pipe line provided, at a tip end portion, with a first f...