ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,750, issued on April 21, was assigned to Kawasaki Jukogyo K.K. (Kobe, Japan) and Kawasaki Robotics (USA) INC. (Wixom, Mich.).

"Charging system and method for controlling charging system" was invented by Haruhiko Tan (Kobe, Japan), Simon Jeyapalan (Newark, Calif.), Theodore Philliber (San Jose, Calif.), Ryan Le (Sacramento, Calif.), Avish Ashok Bharwani (Santa Clara, Calif.) and Nobuyasu Shimomura (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A charging system according to this disclosure includes a particle absorption tool configured to be electrostatically charged so as to build up a static electric charge for absorbing particle...