InvestorInvesting in private markets for over 30 years.

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.
Online destinations
Where to find this organization online, grouped by who runs each page. A link here does not mean the organization controls it.
Pages the organization runs itself.
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.
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.
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.
The firm focuses on climate technology investments, although specific criteria regarding stages or sectors are not publicly detailed.
Founders interested in pitching should prepare a comprehensive presentation that highlights their technology's impact on climate change and sustainability.
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.
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.
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.
Details regarding the fund size are not disclosed, but it is focused on climate technology investments.
Superscout Pro
Is this page right?Reviewed · How the research works