ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,438, issued on June 17, was assigned to J. MORITA MFG. CORP. (Kyoto, Japan).
"Dental treatment apparatus" was invented by Tomoaki Ueda (Kyoto, Japan), Kyohei Kato (Kyoto, Japan) and Kazunari Matoba (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dental treatment apparatus is a dental treatment apparatus that energizes a dental treatment site such as a root canal with a high-frequency current. Included are a holder that holds an electrode placed at the dental treatment site, a power supply that energizes the electrode with the high-frequency current, and control circuitry that causes, during the energization operation, the power supply...