# GX MINERALS

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/gx-minerals

- Industry: Materials
- Headquarters: Okazaki, Japan
- Website: www.gxminerals.com
- Latest round: Series A (Oct 1, 2026)
- Investors on record: 1

## About

Founded in 2023 and based in Aichi, Japan, GX MINERALS Inc. operates as an advanced materials company specializes in the development, production, and commercialization of fillers, notably its proprietary called DIA, a 2D platy talc filler technology, alongside resin composite materials engineered for material performance characteristics while advancing decarbonization and sustainability objectives. As of October 2026, the CEO of the company is Hayashi Hiroshi Tsuyoshi. In October 2026, GX MINERALS Inc. raised an undisclosed amount in series A funding from Prime Partners, OKAZAKI SHINKIN BANK and Sumitomo Mitsui Banking Corporation. The round was part of a larger JPY 460 million series A and debt funding.

GX MINERALS specializes in the development and commercialization of high-performance fillers, particularly their flagship product, DIA Filler. This innovative filler enhances the properties of resins, enabling lightweight yet rigid components, essential in industries such as automotive and electronics. The DIA Filler facilitates the transition toward monomaterial production, simplifying recycling processes and supporting decarbonization efforts. The company serves global markets, focusing on partnerships with automotive manufacturers, electronics firms, and other industrial players across Europe, North America, and Asia.The revenue model for GX MINERALS centers around B2B transactions, collaborating with manufacturers and industrial clients who integrate their DIA Filler into various products. These transactions typically involve direct sales agreements and strategic partnerships, with clients purchasing bulk quantities for their production lines. Pricing varies based on volume and specific client contracts, with long-term agreements incentivizing bulk purchases. The company has established partnerships with notable firms such as Inabata & Co. and Chubu Electric Power Mirai, reinforcing its market presence.

The company plans to use the October 2026 funding for product development, quality assurance enhancement, talent recruitment, and intellectual property protection.

## Funding rounds

- Series A, Oct 1, 2026 — Prime Partners

## Investors

- Prime Partners (https://capitalatlas.ai/funds/prime-partners) — Series A