# OOYOO

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/ooyoo

- Industry: Environmental Services
- Headquarters: Kyoto-shi, Japan
- Website: www.ooyoo.co.jp
- Total disclosed funding: $2M
- Latest round: Seed (Oct 15, 2025)
- Investors on record: 5

## About

Founded in 2020 by Shivaniya Ethan and based in Kyoto, Japan, OOYOO Ltd. operates as a company that develops and sells technologies for separating air and other gases, focusing on solutions for industrial applications and gas management. In October 2025, OOYOO Ltd. raised JPY 300 million in?seed funding ?from new investors Mitsubishi UFJ Capital, Kyoto Capital Partners, Chushin Venture Capital, Mizuho Capital and Future Creation Capital.

The company specializes in gas separation technology, focusing on the separation and purification of air and other gases. The firm’s technology supports diverse applications while promoting sustainability. OOYOO’s intellectual property and expertise are accessible to its associates, enabling collaborative advancements in creating cleaner solutions for global challenges. Addressing air pollution, the company develops sustainable filter technologies for masks. The firm’s air enrichment technology enhances oxygen and nitrogen concentrations, benefiting various industries and improving quality of life. The company also tackles climate change through carbon dioxide (CO2) solutions.

The company plans to use its proceeds from October 2025 funding to enhance the social deployment of CO2 separation membranes and to establish a mass production system.

## Funding rounds

- Seed, Oct 15, 2025, $2M — Mitsubishi UFJ Capital, Mizuho Capital, Chushin Venture Capital, Kyoto Capital Partners, Future Creation Capital

## Investors

- Mitsubishi UFJ Capital (https://capitalatlas.ai/funds/mitsubishi-ufj-capital) — Seed
- Mizuho Capital (https://capitalatlas.ai/funds/mizuho-capital) — Seed
- Chushin Venture Capital (https://capitalatlas.ai/funds/chushin-venture-capital) — Seed
- Kyoto Capital Partners (https://capitalatlas.ai/funds/kyoto-capital-partners) — Seed
- Future Creation Capital (https://capitalatlas.ai/funds/future-creation-capital) — Seed