ALEXANDRIA, Va., June 12 -- United States Patent no. D1,074,998, issued on May 13, was assigned to SUMITOMO HEAVY INDUSTRIES LTD. (Tokyo).
"Threeway stopcock for medical synthesizer" was invented by Jun Kato (Niihama, Japan) and Hiroki Higuchi (Niihama, Japan).
The patent was filed on March 4, 2022, under Application No. D/516,518.
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