ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,257, issued on April 15, was assigned to SEIKO EPSON Corp. (Tokyo).
"Tape cartridge, tape roll, and tape cartridge set" was invented by Keisuke Taruya (Shiojiri, Japan), Taishi Sasaki (Matsumoto, Japan), Akio Ishimoto (Shiojiri, Japan) and Hirosuke Yasuki (Matsumoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a tape cartridge, in which the cartridge case is provided with an outer protrusion portion received by an outer recess portion, the outer protrusion portion blocks insertion of a third core projection into a core hole of a tape core B around which a tape B, which is different in type from the tape A, is wound and whic...