# OOKUMA DIAMOND DEVICE Co.

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/ookuma-diamond-device-co

- Industry: Electronics
- Headquarters: Sapporo-shi, Japan
- Website: www.ookuma-dd.com/
- Total disclosed funding: $1M
- Latest round: Seed (May 24, 2023)
- Investors on record: 3

## About

Based in Hokkaido, Japan, and founded in 2022, Hokkaido, Japan, provides a radiant resistance device known as a diamond semiconductor. As of 2023, the firm is headed by its CEO Naohisa Hoshikawa. In May 2023, the firm raised JPY 140 million in Seed funding led by investor Coral Capital, with participation from other investors DeepTech Ventures and Globis Capital Partners.

The company manufactures and sells diamond semiconductors to its customers. Diamond semiconductors do not require a cooling system which reduces their size and weight. The firm diamond semiconductor devices have applications in satellite communication, radar, post-5G mobile base stations, oil exploration, and many others.

The company plans to use the May 2023 funds raised for research and development and recruitment.

## Funding rounds

- Seed, May 24, 2023, $1M — Globis Capital Partners, Coral Capital, DeepTech Ventures

## Investors

- Globis Capital Partners (https://capitalatlas.ai/funds/globis-capital-partners) — Seed
- Coral Capital — Seed
- DeepTech Ventures (https://capitalatlas.ai/funds/deeptech-ventures) — Seed