Investing in Fusion Energy
2026-02-27 10:56:27

NTT DOCOMO Ventures Invests in MiRESSO to Secure Stable Supply of Beryllium for Fusion Energy

NTT DOCOMO Ventures' Strategic Investment in MiRESSO



In a significant move to bolster the future of fusion energy, NTT DOCOMO Ventures (NDV), based in Minato, Tokyo, has announced its investment in MiRESSO, a company dedicated to ensuring the stable supply of beryllium, a rare metal essential for fusion energy generation. This funding reflects NDV's commitment to advancing sustainable solutions and tackling pressing social issues.

MiRESSO, located in Misawa, Aomori Prefecture, aims to address the critical supply shortages of beryllium required for the operation of fusion energy systems, which are currently under development globally. As the demand for beryllium rises amidst the growing interest in fusion energy, the traditional production methods have proven inadequate, leading to increased prices and scarcity of this vital material.

Under the leadership of CEO Katsushi Nakamichi, MiRESSO is pioneering a novel low-temperature refining technology that significantly reduces costs and energy consumption compared to conventional high-temperature processing methods. This innovative approach not only enhances the efficiency of beryllium production but also positions MiRESSO as a leader in an emerging market driven by the need for clean energy alternatives.

The fusion energy sector has garnered substantial attention due to its potential to provide an abundant source of energy with minimal environmental impact. However, the challenge remains in securing sufficient quantities of essential materials like beryllium. By investing in MiRESSO, NDV is not only increasing access to this rare metal but is also supporting the broader mission of the NTT Group's Innovative Optical and Wireless Network (IOWN) initiative, which aims to create a low-power information processing infrastructure while promoting sustainable and clean energy practices.

NDV's involvement with MiRESSO is a strategic step towards accelerating innovation in energy solutions and addressing global energy challenges. By ensuring a reliable supply of beryllium, NDV is playing a critical role in the future of fusion energy, which holds the promise of revolutionizing how we generate and consume energy.

About MiRESSO


Company Overview


  • - Company Name: MiRESSO Co., Ltd.
  • - Location: Misawa City, Aomori Prefecture
  • - CEO: Katsushi Nakamichi
  • - Business Focus: Beryllium manufacturing and sales
  • - Website: MiRESSO

About IOWN Initiative


For more information on the IOWN initiative, please visit NTT's IOWN page.

With their focus on providing reliable resources for transformative energy solutions, MiRESSO is poised to make significant contributions to the fusion energy landscape amidst rising global energy demands. Enabling advancements in this field not only advances technology but also embodies a commitment to sustainability and environmental stewardship.


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