ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,400, issued on Feb. 17, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).
"Electromagnetic valve driving device" was invented by Daichi Kawakami (Hitachinaka, Japan), Noriaki Sumisha (Hitachinaka, Japan) and Junpei Kogawa (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electromagnetic valve driving device that controls an energization period to a solenoid coil provided in a fuel injection valve and causes the fuel injection valve to inject fuel a plurality of times during one combustion cycle of an internal combustion engine, the electromagnetic valve driving device includes: a storage that stores a correction amount ma...