ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,162, issued on March 25, was assigned to CHUGAI SEIYAKU K.K. (Tokyo).
"Filling nozzle" was invented by Shaw Nishizawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a filling nozzle obtained by using a resin selected from a cycloolefin polymer and a cycloolefin copolymer, or a filling nozzle including a tubular passage for supplying a pharmaceutical solution, and a filling port disposed at a lower end of the tubular passage, in which the tubular passage and the filling port have a circular peripheral cross-section, and an inner diameter of the passage of the filling port is larger than an inner diameter of the ...