KDDI is a major telecommunications company based in Japan, known for providing mobile and fixed-line services. Founded in 2000, it emerged from the merger of several companies, including DDI Corporation, KDD Corporation, and IDO Corporation. KDDI operates under the brand name au for its mobile services and offers a range of products, including internet and data services. In addition to telecommunications, KDDI is involved in various technology sectors, such as cloud computing and IoT (Internet of Things). The company aims to enhance connectivity and digital solutions for both individuals and businesses, contributing to Japan's technological advancement and global competitiveness.