ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,779, issued on Oct. 20, was assigned to DIAMOND&ZEBRA ELECTRIC MFG. Co. LTD. (Osaka, Japan).
"Ignition coil" was invented by Hayato Koshiba (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An ignition coil 2 includes a protector 16 including: a head portion 28 exposed outside an internal combustion engine 4; and a tubular portion 30 extending downward from a bottom surface of the head portion 28 and inserted in a plug hole 6 of the internal combustion engine 4. The ignition coil 2 includes an air passage 64 connecting an external environment and the plug hole 6 of the internal combustion engine 4. The air passage 64 includes a first open...