ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,475, issued on March 24, was assigned to JATCO Ltd (Fuji, Japan) and NISSAN MOTOR Co. LTD. (Yokohama, Japan).

"Oil pressure supply device" was invented by Tomoko Sugano (Yokohama, Japan) and Takurou Kawasumi (Ebina, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oil pressure supply device supplies, to an oil chamber, an oil pressure generated by suctioning oil from an oil source with an oil pump. The oil pressure supply device includes a first oil passage connected to a suction side of the oil pump; a first check valve provided in the first oil passage and configured to close the first oil passage and prevent oil from moving to the oil sou...