Major mobile carrier KDDI Corp. is apologizing for its network failing a second time in as many months, after an estimated 83,000 users across 16 prefectures in eastern Japan could not place calls.

Cellphone carrier KDDI Corp. said July 3 that nearly 40 million mobile connections were snarled by a nationwide glitch that surfaced in the early hours of the previous day. “As a ...

KDDI and Kyocera developed wireless relay technology that significantly expands mmWave communication area, claiming a world's ...

Sharp has announced an agreement with mobile phone carrier KDDI to build an artificial intelligence center on the site of the electronics maker's halted liquid crystal display panel plant in the ...

Japan's eight telecommunications companies – Nippon Telegraph and Telephone, NTT East, NTT West, NTT DOCOMO and NTT ...

NTT, KDDI, SoftBank and Rakuten - have launched a new cooperative framework which started on 1 December aimed at ensuring the ...

Tokyo, Japan – Japan’s eight telecommunications companies – Nippon Telegraph and Telephone Corporation, NTT East, NTT West, NTT DOCOMO and NTT Communications (the NTT Group), KDDI Corporation, ...