KDDI Open Innovation Fund III Makes Additional Investment in JIJ, Advancing Social Implementation of Quantum Technologies
August 04, 2026
KDDI CORPORATION
KDDI made an additional investment in JIJ Inc. (Headquarters: Minato-ku, Tokyo; CEO: Yu Yamashiro; hereinafter "JIJ"), provider of quantum technologies and optimization software, through its corporate venture fund, KDDI Open Innovation Fund III (operated by Global Brain Corporation; hereinafter "KOIF III"), which aims to incubate new business co-creations with promising startups.
Leveraging its strength in reformatting complex industrial issues into a computable form using quantum and mathematical optimization technologies, JIJ is advancing technology development and social implementation.
KDDI has been investing in JIJ through KOIF III since February 2025, working to build an AI and quantum common platform (Note 1). Through this additional investment, KDDI will integrate the assets of the KDDI Group with JIJ's advanced technologies to accelerate the development of use cases and the commercialization of quantum computers. Moving forward, KDDI will strongly promote the creation of new industrial value and its social implementation together with JIJ, which holds high potential for close collaboration with KDDI's business foundation in the telecommunications and digital fields.
As a "company that inspires passionate challenges," KDDI will continue to promote business co-creation through investment in promising startups, and create new business models together with customers and partners.
MUGENLABO Magazine
Making Society Computable―JIJ's Scenario for Implementing Quantum Computers (in Japanese only)
(Reference)
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- ■Overview of JIJ
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- (1) Company name
- : JIJ Inc. (JIJ)
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- (2) Headquarters
- : CIC, 3-3-6 Shibaura, Minato-ku, Tokyo
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- (3) Date founded
- : November 2018
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- (4) Business activities
- : Development and provision of software utilizing quantum technologies and mathematical optimization
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- (5) Representative
- : CEO Yu Yamashiro
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- (6) URL
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https://www.j-ij.com/en
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- ■About the KDDI Open Innovation Fund
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KDDI Open Innovation Fund is a corporate venture fund that supports a broad range of startups. Through investments in startups with the potential to become the foundations of our new businesses in areas such as AI and Deep Tech, KDDI will continue to explore new business opportunities that will serve as our next pillar of growth.
