# SOLARIS

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/solaris-2

- Industry: Industrial Machinery
- Headquarters: Tokyo, Japan
- Website: www.solaris-inc.com
- Total disclosed funding: $5.1M
- Latest round: Series D (Jul 29, 2024)
- Investors on record: 10

## About

Founded in 2017 and based in Tokyo, Japan, SOLARIS Inc., d.b.a SOLARIS specializes in the development of soft robotics utilizing artificial muscle technology. The company offers robots designed for inspecting, cleaning, and maintaining small pipes, as well as fluid transport systems, and provides these as maintenance services to assist industrial and infrastructure clients in enhancing their pipe operations. In May 2026, SOLARIS raised JPY 500 million ?in?venture funding ?from Spiral Capital, UTokyo Innovation Platform, Abies Ventures, Mizuho Capital, Hyakujushi Growth Investment & Assistance, Hiroshima Venture Capital and Japan Science and Technology Agency.

SoLARIS specializes in the development and sale of soft robotics utilizing pneumatic artificial muscles, which offer high efficiency and flexibility. Its key products include the intestine-type pumping robot "Zendo Drive" and the earthworm-type in-pipeline robot "Sooha," designed to tackle complex challenges in pipeline inspections and clogs. The company targets industries that demand precision and reliability, primarily focusing on markets in Japan with aspirations for expansion into Southeast Asia and Europe.SoLARIS generates revenue through direct sales of its proprietary robotic products, specifically Zendo Drive and Sooha. The company operates a B2B model, collaborating with sectors such as manufacturing and maintenance that require advanced robotic solutions for managing fluid transport and pipeline operations. Pricing strategies are tailored to client needs, although specific pricing remains proprietary, and the revenue model is based on one-time purchases with the potential for ongoing maintenance contracts.

The company plans to use the May 2026 funding to improve its pipe inspection technology, expand partnerships, and hire engineers to support growth.

## Funding rounds

- Series D, Jul 29, 2024, $0.2M — 77 Capital
- Series C, May 25, 2022, $3.2M — Mitsui Sumitomo Insurance Venture Capital, Mitsubishi UFJ Capital, Shizuoka Capital, Japan Science and Technology Agency, KSP, UntroD Capital
- Series C, Oct 13, 2021 — FJ Labs
- Series B, Jan 30, 2020, $1.6M — Mitsubishi UFJ Capital, SPARX Group, SBI Okasan Alternative Investment

## Investors

- Mitsubishi UFJ Capital (https://capitalatlas.ai/funds/mitsubishi-ufj-capital) — Series B, Series C
- SPARX Group (https://capitalatlas.ai/funds/sparx-group) — Series B
- SBI Okasan Alternative Investment (https://capitalatlas.ai/funds/sbi-okasan-alternative-investment) — Series B
- FJ Labs (https://capitalatlas.ai/funds/fj-labs) — Series C
- Mitsui Sumitomo Insurance Venture Capital (https://capitalatlas.ai/funds/mitsui-sumitomo-insurance-venture-capital) — Series C
- Shizuoka Capital (https://capitalatlas.ai/funds/shizuoka-capital) — Series C
- Japan Science and Technology Agency — Series C
- KSP (https://capitalatlas.ai/funds/ksp) — Series C
- UntroD Capital — Series C
- 77 Capital — Series D