Earlier this year, South Korea's Supreme Court ruled several Japanese companies, including Nippon Steel & Sumitomo Metal Corp. and Mitsubishi Heavy Industries, that had used forced labor during World War II must pay compensation and began seizing assets for liquidation. But Japan's government claims the issue was settled in 1965 as part of a treaty that restored basic diplomatic relations between the two countries and is asking South Korea to put the matter before an international arbitration panel instead. Source: TechCrunch