KDDI Corp. engages in the telecommunications business. It operates through the following segments: Personal Services, Value Services, Business Services, Global Services, and Others. Read More The Personal Services segment provides mobile and fixed-line communications services to individual customers. The Value Services segment provides content, settlement, and other services. The Business Services segment provides cloud-based solutions for the use of mobile handsets such as smartphones, tablets, and networks. The Global Services segment provides one-stop information and communications technology (ICT) solutions and cloud services. The Others segment handles construction and maintenance of facilities, call centers, research, and advanced technology development. Its brands include \"au\" brand mobile communication, \"au HIKARI\", FIFTH and CATV services. The company was founded by Kazuo Inamori on June 1, 1984 and is headquartered in Tokyo, Japan. KDDIY is listed on the Pink Current market tier. OTC market data is provided by OTC Markets Group, Inc (otcmarkets.com). The listed name for KDDIY is KDDI Corporation Unsponsored ADR (Japan).