
KDDI has joined forces with independent venture capital firm Global Brain Corporation to establish KDDI Open Innovation Fund V, a fund that will invest in that have the potential to become seeds for KDDI’s new business ventures, particularly in fields such as AI and DeepTech.
Since 2012, KDDI and Global Brain Corporation have been promoting investments and business co-creation through the KDDI Open Innovation Fund, investing approximately JPY 40 billion in total in 150 promising domestic and international startups across various fields, including AI, IoT, data marketing, FinTech, B2B SaaS, and entertainment.

KDDI forms Open Innovation Fund V to Drive Future Growth
KDDI Open Innovation Fund V will particularly strengthen investments and collaborations with startups on areas where KDDI focuses, such as AI and Deep Tech, aiming to create new businesses that drive next-generation growth. Through the investment activities of KDDI Open Innovation Fund V, KDDI will continue to enhance its connecting capabilities through co-creation with startups, contributing to their business growth and increased corporate value.
KDDI Corporation is a Japanese telecommunications operator. It was established in the year 2000 through the merger of DDI, KDD, and IDO. In 2001, it merged with a subsidiary named Au, which was formed through the merger of seven automotive and mobile phone companies from the DDI-Cellular Group.
KDDI provides mobile cellular services using the Au brand. ISP network services are provided under the au one net brand, while “au Hikari” is the name under which long-distance and international voice and data communications services and Fiber to the Home (FTTH) services are marketed.







