Naohisa Hoshikawa

About Naohisa Hoshikawa

Naohisa Hoshikawa is the CEO of Okuma Diamond Device, a company established on March 1, 2022, which focuses on the research and development of diamond semiconductors. The company aims to apply this technology to industries such as space, defense, and next-generation communications, in addition to nuclear power applications. Okuma Diamond Device has a manufacturing facility in Okuma, Fukushima.

Naohisa Hoshikawa at a glance

• Company: Okuma Diamond Device
• Total raised: $28M
• Latest round: Seed
• Investors: Globis Capital Partners, Coral Capital, Inc., Green Co-Invest I, L.P., Astart Inc., Japan Post Bank Spiral Regional Innovation No.1 Investment…, MS&AD Ventures Co., Ltd.
• Location: Sapporo, Japan

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