ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,170, issued on June 16, was assigned to Qitan Technology Ltd., Chengdu (Chengdu, China).

"Hole array layered structure, precoating method, membrane forming method and sequencing device" was invented by Jin Wang (Chengdu, China), Mingzhao Guo (Chengdu, China), Wei Zhai (Chengdu, China) and Youna Zhang (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present application provide a hole array layered structure, a precoating method, a membrane forming method and a sequencing device. The hole array layered structure is adapted for forming a membrane forming space with a substrate, wherein the membrane forming space is adap...