US Patent Issued to TOKIWA on March 24 for "Drawing material container cartridge and drawing material container set" (Japanese Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,248, issued on March 24, was assigned to TOKIWA Corp. (Gifu, Japan).

"Drawing material container cartridge and drawing material container set" was invented by Hironari Kobayashi (Saitama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drawing material container cartridge according to one embodiment includes a cartridge body including a tubular portion that accommodates a drawing material, and being configured to be detachably mounted in a container body by being inserted into the container body along an axial direction that is a direction in which an axis of the tubular portion extends; and a cartridge cap that is mounted on the cartridge b...