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Marunouchi Innovation Partners

Marunouchi Innovation Partners is a Tokyo-based growth-stage investor focused on climate technology. They manage the Marunouchi Climate Tech Growth Fund L.P., which targets investments in sectors such as renewable energy and carbon reduction.

Founded
2022
Recorded stages
Growth Equity
Recorded regions
Global, Asia, North America, Europe

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Overview

Marunouchi Innovation Partners Co., Ltd. was established in August 2022 and is based in Tokyo, Japan. The organization focuses on the management and operation of investment partnerships, specifically through the Marunouchi Climate Tech Growth Fund L.P. This fund, which reached a final close of USD 744 million in January 2025, invests in growth-stage climate technology companies globally. The firm leverages the extensive industrial and financial network of its main sponsor, Mitsubishi Corporation, to support portfolio companies in scaling and commercializing their technologies.

Focus

The firm operates the Marunouchi Climate Tech Growth Fund L.P., investing in growth-stage climate technology sectors. Marunouchi Innovation Partners leverages its connections within Mitsubishi Corporation's extensive industrial and financial network to assist portfolio companies in scaling and expanding internationally.

Support

Marunouchi Innovation Partners adds value to its portfolio companies by leveraging Mitsubishi Corporation's industrial and financial network, providing strategic support for business expansion, commercialization, and access to global markets.

Questions

What are Marunouchi Innovation Partners' investment criteria?

The firm focuses on climate technology investments, although specific criteria regarding stages or sectors are not publicly detailed.

How can I pitch to Marunouchi Innovation Partners?

Founders interested in pitching should prepare a comprehensive presentation that highlights their technology's impact on climate change and sustainability.

What makes Marunouchi Innovation Partners different from other investors?

The firm is uniquely positioned in the climate tech sector, emphasizing partnerships that address environmental challenges. Their international presence also allows them to leverage global insights.

What is the geographic scope of their investments?

Marunouchi Innovation Partners primarily focuses on Asia, particularly Japan, but also has branches in Silicon Valley and London, indicating a broader interest in global climate technology.

What kind of support do they provide to portfolio companies?

While specific support mechanisms are not detailed, firms in this space typically offer mentorship, operational guidance, and access to networks that can help startups scale effectively.

What is the size of the Marunouchi Climate Tech Growth Fund?

Details regarding the fund size are not disclosed, but it is focused on climate technology investments.

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