Police are set to refer ramen noodle chain Ichiran and its employees to prosecutors this week for allegedly making foreign students work illegally at its stores in Osaka, investigative sources said Monday.Those in charge of labor management at Ichiran head office in Fukuoka, who are believed to have supervised the two Osaka stores, are suspected of making foreign students work beyond their permitted hours in violation of the immigration law, they said.Ichiran, founded in 1993, serves thin noodles and pork-bone soup and is best known for walls surrounding each seat at counter tables so indiv…READ FULL ARTICLE