ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,606, issued on March 3, was assigned to TERAOKA SEISAKUSHO Co. LTD. (Tokyo).

"Adhesive sheet" was invented by Shohei Ogino (Tokyo), Kazuki Ishikawa (Tokyo), Yuuki Iwakami (Tokyo) and Yasushi Tsuchiya (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The adhesive sheet includes an adhesive layer (A1L) in solid form at 18deg C., wherein the adhesive layer (A1L) contains an epoxy resin, at least one surface of the adhesive layer (A1L) has a tackiness agent region (A2R) formed by partially providing a tackiness agent (A2), and a region where the tackiness agent region (A2R) is not formed on the surface is an adhesive-layer-exposed region (A1LR) wher...