TelecommunicationCompany to invest $600m-plus in tech, cable-laying capacity as market growsSubmarine cables are wound at a factory belonging to NEC subsidiary OCC. (Photo by Kyoko Hariya)KYOKO HARIYAMay 12, 2026 07:04 JSTTOKYO -- Japan's NEC is looking to hone its undersea cable technology to secure a bigger share of a critical market for international telecommunications, with plans to invest more than 100 billion yen ($636 million) in the submarine cable business over five years.