ALEXANDRIA, Va., May 19 -- United States Patent no. 12,631,528, issued on May 19, was assigned to Hitachi High-Tech Corp. (Tokyo).
"Microparticle filling method and microparticle filling device" was invented by Masataka Shirai (Tokyo) and Tomoyuki Sakai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microparticle filling method of the present disclosure is a method of filling at least one or more containers with microparticles, including: sucking a suspension of the microparticles into a nozzle; concentrating the microparticles in the suspension to form a high-concentration suspension having a predetermined microparticle concentration at a tip of the nozzle; bringing the high-concentration suspensio...