The Japanese unit of iRobot Corp. on Friday launched a new Roomba robot vacuum designed for relatively small Japanese homes in a bid to rebuild the U.S. company's business after going bankrupt last year.Priced at 49,800 yen ($320) on its official online store, the new Roomba is about half the size of traditional models and can clean under furniture and in tight spaces, according to iRobot Japan G.K.The U.S. company was acquired by Chinese supplier Shenzhen Picea Robotics Co. earlier this year after filing for bankruptcy protection due to a slump in performance amid competition from low-cost…READ FULL ARTICLE