MiRESSO Overview

  • Year Founded
  • 2023

Year Founded

  • Status
  • Private

  • Employees
  • 22

Employees

  • Latest Deal Type
  • Series A

  • Latest Deal Amount
  • $11.2M

  • Investors
  • 16

MiRESSO General Information

Description

Developer of beryllium refining technology designed for fusion energy and industrial applications. The company utilizes proprietary low-temperature refining technology combining chemical processing with microwave heating to dissolve ore at atmospheric pressure, enabling the fusion energy sector to access a stable and energy-efficient supply of neutron multipliers.

Contact Information

Ownership Status
Privately Held (backing)
Financing Status
Venture Capital-Backed
Corporate Office
  • 59-383 Shimokubo
  • Misawa, Aomori 033-0022
  • Japan
Primary Industry
Other Metals, Minerals and Mining
Other Industries
Alternative Energy Equipment
Vertical(s)
Corporate Office
  • 59-383 Shimokubo
  • Misawa, Aomori 033-0022
  • Japan

MiRESSO Timeline

202420252026
Date FoundedFinancing RoundCaptured Employee CountEstimated Employee Growth

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MiRESSO Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
5. Early Stage VC (Series A) 27-Feb-2026 $11.2M Completed Startup
4. Seed Round Completed Startup
3. Seed Round 27-Mar-2024 Completed Startup
2. Accelerator/Incubator 10-Oct-2023 Completed Startup
1. Accelerator/Incubator 01-Sep-2023 Completed Startup
To view MiRESSO’s complete valuation and funding history, request access »

MiRESSO Cap Table

Stock # of Shares
Authorized
Par Value Dividend Rate (%) Original
Issue Price
Liquidation Liquidation
Pref. Multiple
Conversion Price % Owned
A3 Preferred
A2 Preferred Shares
A Preferred Shares 2,679,534 $6.03 $6.03 1x $6.03 32.53%
Class S 753,014 $2.15 $2.15 1x $2.15 9.14%
To view MiRESSO’s complete cap table history, request access »

VC Exit Predictor

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Opportunity Score

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Exit Type

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MiRESSO Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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MiRESSO Investors (16)

Investor Name Investor Type Holding Investor Since Participating Rounds
Alconix Ventures Corporation Corporate Venture Capital Minority
ITOCHU Technology Ventures Venture Capital Minority
Keio Innovation Initiative Venture Capital Minority
Kyoto Capital Partners (Japan) Venture Capital Minority
Mitsubishi UFJ Capital Venture Capital Minority
You’re viewing 5 of 16 investors. Get the full list »

MiRESSO FAQs

  • When was MiRESSO founded?

    MiRESSO was founded in 2023.

  • Where is MiRESSO headquartered?

    MiRESSO is headquartered in Misawa, Japan.

  • What is the size of MiRESSO?

    MiRESSO has 22 total employees.

  • What industry is MiRESSO in?

    MiRESSO’s primary industry is Other Metals, Minerals and Mining.

  • Is MiRESSO a private or public company?

    MiRESSO is a Private company.

  • What is the current valuation of MiRESSO?

    The current valuation of MiRESSO is .

  • What is MiRESSO’s current revenue?

    The current revenue for MiRESSO is .

  • How much funding has MiRESSO raised over time?

    MiRESSO has raised $29.8M.

  • Who are MiRESSO’s investors?

    Alconix Ventures Corporation, ITOCHU Technology Ventures, Keio Innovation Initiative, Kyoto Capital Partners (Japan), and Mitsubishi UFJ Capital are 5 of 16 investors who have invested in MiRESSO.

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