US Patent Issued to TOPPAN HOLDINGS on Oct. 20 for "Microfluidic chips and methods of producing microfluidic chips" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,505, issued on Oct. 20, was assigned to TOPPAN HOLDINGS INC. (Tokyo).

"Microfluidic chips and methods of producing microfluidic chips" was invented by Hiroko Yazawa (Taito-ku, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microfluidic chip includes a fluidic channel portion, a cover layer, a substrate, and partition layers interposed between the cover layer and the substrate to define the fluidic channel portion. The partition layer has a curved portion curved away from the cover layer at an edge on the fluidic channel portion side of an upper contact surface in contact with the cover layer, and the fluidic channel portion includes a bubble...