ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,309, issued on April 14, was assigned to Hitachi Astemo Ltd. (Ibaraki, Japan).

"Hermetically sealed case" was invented by Yuya Ogane (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a hermetically sealed case having a highly reliable hermetically sealed structure with a simple configuration. A hermetically sealed case 1 includes: a case body 7 having an opening 9 formed therein; a cover 8 that closes the opening 9; a gasket 10 sandwiched between the case body 7 and the cover 8; and fastening members 13 that fix the cover 8 to the case body 7. Either one of the case body 7 and the cover 8 is provided with a stopper 14 t...