US Patent Issued to Hitachi Astemo on April 29 for "Oil pump" (Japanese Inventors)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,970, issued on April 29, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Oil pump" was invented by Daisuke Kato (Hitachinaka, Japan), Koji Saga (Hitachinaka, Japan) and Nobuaki Sogawa (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oil pump includes: a housing; a pump constituting section; a discharge opening portion; and a suction opening portion which includes a termination end portion including a termination end inner circumference portion, a termination end outer circumference portion provided radially outside the termination end inner circumference portion, and positioned radially outside the cam profile surface,...