ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,908, issued on Nov. 11, was assigned to Hitachi High-Tech Corp. (Tokyo).
"Liquid feeding pump and liquid feeding method" was invented by Nobuhiro Tsukada (Tokyo), Daisuke Akieda (Tokyo), Sho Iwasa (Tokyo), Yusuke Yota (Tokyo) and Yuichiro Hashimoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a technology for reducing the capacity of a liquid feeding pump and enabling liquid feeding with little pulsation. A liquid feeding pump according to the present disclosure is provided with: a first plunger pump having a first plunger; a second plunger pump having a second plunger and connected in series with the first plunger pump; a press...