US Patent Issued to HITACHI MITSUBISHI HYDRO, Hitachi, HITACHI INDUSTRIAL PRODUCTS on May 20 for "Adjustable speed generator motor system with full power converter" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,308,769, issued on May 20, was assigned to HITACHI MITSUBISHI HYDRO Corp. (Tokyo), Hitachi Ltd. (Tokyo) and HITACHI INDUSTRIAL PRODUCTS LTD. (Tokyo).

"Adjustable speed generator motor system with full power converter" was invented by Akira Bando (Tokyo), Takahiko Kikui (Tokyo), Kenta Watanabe (Tokyo), Yasuhiro Kiyofuji (Tokyo), Masakazu Ishikawa (Tokyo), Tomomichi Ito (Tokyo), Masaya Ichinose (Tokyo), Jun Narushima (Tokyo) and Hikaru Meguro (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided an adjustable speed generator motor system with full power converter (FPC system) in which two 3-level converters are connected back-to-back on ...