A federal judge Monday dismissed a class action accusing six companies of helping the Japanese Empire force Korean women into sexual slavery during World War II. Mitsubishi, Toyota, Nissan, Hitachi, NYK Line and Nippon Steel & Sumitomo Metal USA joined a growing list of defendants that evaded a class action brought by two former "comfort women," but U.S. District Judge William Alsup gave them until Dec. 28 to request leave to amend their complaint.