ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,642, issued on Oct. 21, was assigned to KAI R&D CENTER Co. LTD. (Seki, Japan).
"Knife case" was invented by Hironobu Tsukimoto (Seki, Japan), Kohei Hyuga (Seki, Japan) and Shogo Ochiai (Seki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A knife case including a first case and a second case is configured to make a knife with a blade and a handle lockable in a closed state using a slide lock member while housing the blade in housing space formed in the closed state and exposing the handle from the housing space. The closed state is a state where a first case and a second case face each other that are coupled to each other via a hinge. The knif...