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MiRESSO Co., Ltd.

MiRESSO Co., Ltd.

Private
MisawaEnergy & Sustainabilityhttps://miresso.co.jp/

Last Round

Series A

Feb 27, 2026

Total Funding Raised

$28.75M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

MiRESSO Co., Ltd. is a materials science company that develops low-temperature refining technology for the production of beryllium and other mineral resources for fusion energy and industrial applications.

Sector

Energy & Sustainability

Verticals

Advanced Materials, Clean Manufacturing, Renewable Energy, Sustainable Materials

Business Model

B2B

Customer Profile

Services & Consulting, Hardware Sales, Government Contracts

AI Layer

Non-AI

Keywords

berylliumfusion energyberyllium fluorideBeF2mineral refiningfusion fuellow-temperature refiningtritium breedingadvanced materialsmicrowave heatingclean manufacturingtechnology licensingdeep techindustrial minerals

Historical Pricing

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Caplight Momentum Score

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MiRESSO Co., Ltd. Comparables

Compare MiRESSO Co., Ltd. with similar companies based on industry and business-model similarity.

MiRESSO Co., Ltd. comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Materion Corporation
64%
Kyoto Fusioneering
63%
JSC National Atomic Company Kazatomprom
62%

MiRESSO Co., Ltd. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series AFeb 27, 2026
SeedMar 27, 2024

Key People

Founding team and executive leadership

Masaru Nakamichi

CEO

Executive Team

Tomoaki Imai

COO Head of Business Development & Head of Corporate, COO, Head of Business Development

Executive Team

MiRESSO Co., Ltd. Investors

Notable investors and investment history

MiRESSO Co., Ltd. investors
InvestorRounds
Genesia VenturesSeries A, Seed
ITOCHU Technology VenturesSeries A
Keio Innovation InitiativeSeries A
MPower PartnersSeries A
Spiral CapitalSeries A
Mitsubishi UFJ CapitalSeries A
MS&AD VenturesSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 8, 2026

    Monthly visitors grew 121% MoM, reaching 3.8K.

  • Feb 27, 2026

    $27M round led by SBI Investment and Spiral Capital.

MiRESSO Co., Ltd. Filings

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MiRESSO Co., Ltd. filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about MiRESSO Co., Ltd.'s valuation, stock price, and market status.

Is MiRESSO Co., Ltd. a public or private company?

MiRESSO Co., Ltd. is a private company.

What is the current stock price of MiRESSO Co., Ltd.?

MiRESSO Co., Ltd. is a private company with no public stock price. No recent secondary market data is available.

How much is MiRESSO Co., Ltd. worth (valuation)?

Valuation information for MiRESSO Co., Ltd. is not publicly available.

Can I buy MiRESSO Co., Ltd. stock?

MiRESSO Co., Ltd. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was MiRESSO Co., Ltd.'s last funding round?

MiRESSO Co., Ltd.'s most recent funding round was Series A on February 27, 2026.

Who are the main investors in MiRESSO Co., Ltd.?

Key investors in MiRESSO Co., Ltd. include Genesia Ventures, Spiral Capital, SBI Investment Co., Ltd..

Will MiRESSO Co., Ltd. IPO soon?

No public IPO plans have been announced for MiRESSO Co., Ltd..

How can I track MiRESSO Co., Ltd. secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor MiRESSO Co., Ltd.'s secondary market activity and sign up for updates.

Firmographic Details

HeadquartersMisawa
Employee Range7
Year Founded2023
Last FundingFeb 27, 2026

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