US Patent Issued to Kubota on Jan. 20 for "Electric working machine and method of activating electric working machine" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,385, issued on Jan. 20, was assigned to Kubota Corp. (Osaka, Japan).

"Electric working machine and method of activating electric working machine" was invented by Daiki Tamba (Sakai, Japan), Tsunehiro Il (Sakai, Japan) and Shunya Takase (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric working machine includes an electric device, electric circuitry, battery packs to be connected sequentially to the electric device such that they are connected in parallel, and a controller. The electric circuitry includes external relays corresponding to the respective battery packs. The controller is configured or programmed to specify each bat...