ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,221,568, issued on Feb. 11, was assigned to SEKISUI CHEMICAL Co. Ltd. (Osaka, Japan).
"Adhesive tape and method for producing same" was invented by Kiyoshirou Narimatsu (Hasuda, Japan), Junji Shibayama (Hasuda, Japan), Akihiko Bandou (Saitama, Japan), Youhei Takanohashi (Ibaraki, Japan) and Nobuto Kamiya (Hasuda, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure-sensitive adhesive tape (10) has a base material (11), and a pressure-sensitive adhesive layer (20) provided on the surface (11A) of the base material (11) and containing cells (21) in the inside thereof, wherein the cells (21) include first cells (21A) contacting with the surface ...