ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,471, issued on Nov. 4, was assigned to SHIMADZU Corp. (Kyoto, Japan).
"Mass spectrometer" was invented by Tetsuya Hemmi (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A door 4 includes a closing portion 41 that closes an opening 302 in a closed state, and a holding portion 42 that holds the closing portion 41 and is connected to a hinge portion 5. The closing portion 41 is connected to the holding portion 42 on the side opposite to the hinge portion 5 side, and is configured to be separable from the holding portion 42 on the hinge portion 5 side. In a case where the door 4 is rotated from an open state to a closed state, the closing por...