ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,220,654, issued on Feb. 11, was assigned to Enplas Corp. (Saitama, Japan).
"Filter-attached cartridge" was invented by Shigeru Uemura (Saitama, Japan) and Koji Noguchi (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a filter-attached cartridge which is inexpensive and has high productivity. This filter-attached cartridge has: a first resin mesh which is an integrally molded body having a plurality of ribs arranged therein in a lattice shape; and a cylinder formed in a cylindrical shape so as to surround the first mesh."
The patent was filed on Nov. 28, 2019, under Application No. 17/299,326.
*For further information, includi...