ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,948, issued on Dec. 9, was assigned to SHIMADZU Corp. (Kyoto, Japan).

"X-ray phase imaging apparatus and display method of preview image in X-ray phase imaging apparatus" was invented by Yuto Maeda (Kyoto, Japan) and Kana Kojima (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An X-ray phase imaging apparatus includes an X-ray source; a detector; a plurality of gratings; an image processor configured to generate two or more types of first phase contrast images selected from absorption, differential phase and dark-field images as preview images under an imaging condition simpler than an imaging condition for a second phase contrast image t...