LQUOM Raises ¥1.23 Billion in Series B Round

Yokohama-based startup LQUOM has successfully raised ¥1.23 billion in its Series B funding round, which closed on April 23, 2026. The company, spearheaded by CEO Kazuya Niizeki, is dedicated to creating a secure quantum internet, particularly targeting sectors like finance, telemedicine, and defense. LQUOM is working on long-distance quantum communication technologies, including quantum repeaters, to ensure that data transmitted over the internet remains secure, especially in the era of quantum computing.

Investors and Participation

The funding round saw participation from a diverse group of investors. The initial close included SBI Investment, ORIX Capital, Osaka University Venture Capital, SMBC Venture Capital, JMTC Capital, Anritsu, and Bio-Sight Capital. The second close brought in additional investment from Nissay Capital, MPower Partners, and SCREEN Holdings.

Technological Developments and Achievements

LQUOM has been actively developing its quantum communication technologies, with notable achievements including the commercialization of the resonator-integrated quantum entangled light source, "LQ-PS-100." This product, expected to be released in 2024, features wavelength combinations of 606nm and 1550nm with a line width of less than 5MHz. The company has also demonstrated its technology in real-world environments using commercial optical fiber networks.

Use of Funds

The newly secured funds will be directed towards several key areas:

  • Enhancing Quantum Repeater Performance: LQUOM aims to improve the performance and reliability of its quantum repeaters, which are crucial for long-distance quantum communication.
  • Expanding Demonstration Experiments: The company plans to increase the scale and scope of its demonstration experiments, both domestically and internationally.
  • Strengthening Partnerships: Building stronger alliances with existing and new partners is a priority, as LQUOM seeks to solidify its position in the global market.
  • Business Expansion: LQUOM intends to lay the groundwork for distributed quantum computing and a quantum internet, broadening its business foundation.

Future Outlook

CEO Kazuya Niizeki emphasized the importance of this funding round for LQUOM's growth and technological advancements. "This investment allows us to accelerate the development of our quantum communication technologies and expand our global reach," he stated.

With the backing of prominent investors and a clear focus on innovative quantum technologies, LQUOM is well-positioned to make significant strides in the field of secure internet communications.