ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,434, issued on Dec. 23, was assigned to SEKISUI MEDICAL Co. LTD. (Tokyo).
"Method for measuring blood coagulation time" was invented by Kengo Oonishi (Tokyo), Yoshimasa Banba (Tokyo) and Tomohisa Nishio (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling MNPT is required.Coexistence of a specific metal ion with tissue thromboplastin enables MNPT to be controlled/adjusted to a desired time. Coexistence of the specific metal ion with tissue thromboplastin also enables improvement of stability when a thromboplastin reagent is stored in a solution form."
The patent was filed on Sept. 25, 2019, under Application No. 17/279,441...