CommoditiesNTT and Mitsubishi Materials tie-up to recover the metal from discarded equipmentOnly 23% of discarded electronic equipment containing copper or precious metals is recycled in Japan. (Source photos by Nikkei and Mitsubishi Materials)KOSUKE SHIMIZU and ARATA SHIGENOJune 4, 2026 02:12 JSTTOKYO -- Telecom NTT and Mitsubishi Materials will start a business to recover and reuse copper in information technology equipment, the companies announced on Wednesday, part of an effort to reduce Japan's reliance on overseas procurement of the metal.