US Patent Issued to Circulus on May 13 for "Opening/closing unit drive mechanism for chemical-liquid circuit, and chemical-liquid injector" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,142, issued on May 13, was assigned to Circulus Inc. (Tokyo).

"Opening/closing unit drive mechanism for chemical-liquid circuit, and chemical-liquid injector" was invented by Shigeru Nemoto (Tokyo), Yumiko Fukikoshi (Tokyo), Jun Ueki (Yokohama, Japan) and Yasufumi Saitoh (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A safe and easy handling of a chemical-liquid circuit having various components. The opening/closing unit drive mechanism includes an opening/closing unit holder which detachably holds an opening/closing unit which includes a housing having flow channels and a piston for opening and closing the flow channels which is movably prov...