ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,471,696, issued on Nov. 18, was assigned to Kobayashi Pharmaceutical Co. Ltd. (Osaka, Japan).
"Interdental cleaning tool" was invented by Tasuku Kikkawa (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an interdental cleaning tool that can reduce at least one of a resistance against insertion in an interdental space and a resistance against withdrawal from an interdental space, and has a high capability of scraping out deposit from an interdental space. The interdental cleaning tool includes a base portion including a shaft portion (20) and a cleaning portion (40). The cleaning portion (40) includes a cleaning portion body (50)...