# Marunouchi Innovation Partners

Marunouchi Innovation Partners is a Private Equity based in Tokyo, Japan.

## Overview

- **Organization type:** Private Equity
- **Headquarters:** Tokyo, Japan
- **Region:** Middle East
- **Address:** Tokyo, Japan
- **Founded:** 2022
- **Assets under management:** Undisclosed
- **Website:** marunouchi-innovation.com
- **LinkedIn:** https://www.linkedin.com/company/marunouchi-innovation

## Regulatory record

- **CRD number:** 340091
- **SEC file number:** 802-135450
- **Registration status:** ACTIVE
- **Latest Form ADV filing:** 2026-01-29T06:00:00.000Z
- **Reports private funds:** Yes
- **Private funds reported:** 0
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/340091

## About

Marunouchi Innovation Partners is a Climate Tech fund management company established as a joint venture with Mitsubishi Corporation as main sponsor, together with MUFG Bank and Pavilion Industries. It aims to realize a carbon-neutral society by 2050 through global investment in startups with decarbonization technologies. The firm provides growth capital to startups across next-generation energy, renewable energy, batteries and storage, materials for zero-emission buildings, and carbon recycling fields.

## Sectors

- Energy Transition & Renewables
- ClimateTech
- Industrial Tech
- Mobility & Transportation

## Offices

- Seoul
- Singapore
- London
- Palo Alto
- Osaka
- Dhahran
- Melbourne
- Seongnam-si

## People

- 三好 一郎 — 代表取締役CEO 兼 CIO
- 藤田 正敦 — 取締役（非常勤）
- 近藤 辰之介 — 取締役（非常勤）
- John-Paul P. Yun — 取締役（非常勤）
- 筏 岳史 — 監査役（非常勤）

## Questions

### What does the Marunouchi Climate Tech Growth Fund invest in?

The fund focuses on late-stage growth and expansion rounds for companies developing technologies that advance decarbonization. Its scope spans energy generation, grid modernization, advanced manufacturing, and industrial efficiency. Confirmed portfolio companies include Ubicquia (smart grid), Fervo Energy (geothermal), and Fabric8Labs (metal 3D printing), reflecting a preference for hardware-intensive, infrastructure-facing businesses.

### Does the firm invest only in Japan?

No. Marunouchi Innovation Partners invests globally and has offices in Tokyo, Seoul, Singapore, London, Palo Alto, Osaka, Dhahran, Melbourne, and Seongnam-si. Its portfolio already includes companies based in the United States, and the firm publicly describes its mission as deploying capital from Japan to the world.

### Does the firm participate in fund commitments or only direct deals?

Based on current disclosures, Marunouchi Innovation Partners operates a single direct investment fund, the Marunouchi Climate Tech Growth Fund, and has not announced any fund-of-funds commitments or separate LP investment programs. Its confirmed activity shows equity investments directly into climate-tech operating companies.

### What is the firm's posture on ESG integration?

The firm maintains a public ESG policy and states that ESG considerations are incorporated into its investment activities. Its core mandate — funding the transition to a carbon-neutral society — makes environmental and governance factors inherent to the investment process, though the firm has not published detailed ESG reporting standards.

## Related profiles

- [Marunouchi Capital](https://altss.com/profile/marunouchi-capital)
- [Marwari Catalysts](https://altss.com/profile/marwari-catalysts)

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Last updated: 2026-08-11T15:07:26.757Z

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