US Patent Issued to MITSUBISHI PENCIL on Feb. 10 for "Writing instrument part, method for manufacturing writing instrument part, and writing instrument" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,047, issued on Feb. 10, was assigned to MITSUBISHI PENCIL COMPANY Ltd. (Tokyo).

"Writing instrument part, method for manufacturing writing instrument part, and writing instrument" was invented by Kiyoshi Fujisawa (Fujioka, Japan) and Ryota Kubo (Fujioka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A writing instrument part that improves the releasability of a core pin is provided. In a writing instrument part by the insert molding method in which a wooden barrel material made of natural wood flour and a water-soluble resin binder is injected into a mold, the wooden barrel material and a core pin having a paper straw inserted therein are int...