ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,907, issued on May 6, was assigned to KYORAKU Co. LTD. (Kyoto, Japan).
"Living hinge formed by compressed material" was invented by Kenji Ishii (Nagoya, Japan), Kazuo Waki (Nagoya, Japan) and Sho Nakajima (Yamato, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A structure body having a resin molded body which can suppress deterioration of external appearance due to meander of the folded line formed in the hinge portion even when the resin constituting the resin molded body contains an inorganic fiber. The structure body has a resin molded body and the resin molded body includes: a first main body portion and a second main body portion; and a h...