ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,369, issued on Dec. 30, was assigned to DAICEL Corp. (Osaka, Japan).
"Needleless injector" was invented by Yuzo Yamamoto (Tokyo) and Hiromitsu Iga (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A needleless injector includes a housing part including an accommodating space that is configured to accommodate a substance intended for injection an actuator configured to generate an ejection energy and a plunger coupled to the housing part so as to define the accommodating space, including a weakened part and a distal end, and configured to receive the ejection energy from the actuator as a driving force. The plunger is further configured to move i...