ALEXANDRIA, Va., March 24 -- United States Patent no. 12,582,980, issued on March 24, was assigned to Enplas Corp. (Saitama, Japan).
"Fluid handling device and fluid handling system" was invented by Yasuhiro Watanabe (Saitama, Japan), Nobuya Sunaga (Saitama, Japan) and Koichi Ono (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid handling device includes: a channel chip including a well for containing a fluid, a channel connected to the well, a valve disposed on the channel, and a through hole; and a pressing member including a first protrusion and a second protrusion, the first protrusion being for pressing the valve to close the valve, the second protrusion being inserted into the throu...