Softbank Corp. is suing a former employee and rival firm Rakuten Mobile Inc. over an alleged leak and use of confidential information about the telecommunications giant’s 5G wireless technology ...

U.S. chip company Nvidia Corp. and Japanese technology conglomerate SoftBank Group Corp. said Wednesday that they will collaborate to create mobile networks utilizing artificial intelligence in Japan.

But I have to call my office right away." Dozens of people were queuing outside a public telephone booth Mobile phone operator Softbank says the problem hit its networks at 1:39 PM JST.