ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,445, issued on March 18, was assigned to JEOL Ltd. (Tokyo).

"Specimen pretreatment method" was invented by Yuji Konyuba (Tokyo), Tomohiro Haruta (Tokyo), Yuta Ikeda (Tokyo) and Tomohisa Fukuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A specimen pretreatment method for transferring a specimen supported by a first specimen supporting tool to a second specimen supporting tool, the specimen pretreatment method including: transferring a specimen supported by the first specimen supporting tool to a film; immersing the film and the specimen on the film in a liquid to dissolve the film; and recovering the specimen from the liquid and supportin...