The Asia Pacific Diamond-based Semiconductors market size was valued at US$ 58.7 million in 2024 and is projected to reach US$ 94.2 million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.2% during the forecast period (2024–2030).

As the electronics industry transitions toward high-power, high-frequency applications, diamond-based semiconductors are emerging as game-changers due to their unparalleled thermal conductivity and superior electrical properties. In this analysis, we examine the Top 10 Companies in the Asia Pacific Diamond-based Semiconductors Market—a mix of established semiconductor firms and innovative diamond technology specialists driving this cutting-edge sector.

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🔟 10. Pure Grown Diamonds

Headquarters: Singapore
Key Offering: CVD diamond wafers for semiconductor applications

Pure Grown Diamonds specializes in chemical vapor deposition (CVD) technology for producing high-purity diamond substrates. The company has recently expanded its Asian operations to meet growing semiconductor demand.

Technological Capabilities:

• 5-inch diamond wafer production capability
• Automated quality control systems
• Developing boron-doped diamond solutions

Download FREE Sample Report: Asia Pacific Diamond-based Semiconductors Market – View in Detailed Research Report

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9️⃣ 9. Heyaru Engineering

Headquarters: Tokyo, Japan
Key Offering: Diamond-based thermal management solutions

Heyaru Engineering focuses on applying diamond semiconductors in power electronics, particularly for electric vehicle components and 5G infrastructure.

Technological Capabilities:

• Proprietary diamond bonding technology
• Collaborations with Japanese automakers
• Focus on GaN-on-diamond devices

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8️⃣ 8. New Diamond Technology, LLC

Headquarters: Sydney, Australia
Key Offering: High-pressure high-temperature (HPHT) diamond substrates

This Australian firm has developed unique capabilities in producing large-area diamond substrates suitable for high-power electronic applications.

Technological Capabilities:

• 3-inch diamond wafer capability
• Military-grade applications
• Quantum computing research partnerships

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7️⃣ 7. Advanced Diamond Technologies, Inc.

Headquarters: Beijing, China
Key Offering: Ultrathin diamond semiconductor films

ADT’s China operations focus on nanometer-thin diamond films that can be integrated with traditional semiconductor manufacturing processes.

Technological Capabilities:

• Patent-protected doping techniques
• Silicon-diamond hybrid solutions
• Focus on MEMS applications

Download FREE Sample Report: Asia Pacific Diamond-based Semiconductors Market – View in Detailed Research Report

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6️⃣ 6. SCIO Diamond Technology Corporation

Headquarters: Seoul, South Korea
Key Offering: Single-crystal diamond electronics

SCIO specializes in producing electronic-grade single-crystal diamonds for high-end semiconductor applications, with strong R&D collaboration with Korean tech giants.

Technological Capabilities:

• World’s cleanest diamond synthesis process
• Advanced defect characterization
• Quantum device development

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5️⃣ 5. Mitsubishi Rayon Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Diamond heat spreaders and power devices

This Japanese conglomerate leverages its materials expertise to produce diamond-based solutions for thermal management in electronics.

Technological Capabilities:

• Proprietary MPCVD technology
• Automotive industry focus
• High-volume manufacturing capabilities

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4️⃣ 4. Element Six

Headquarters: Singapore (Asia Pacific hub)
Key Offering: End-to-end diamond semiconductor solutions

As a De Beers Group company, Element Six brings extensive diamond expertise to semiconductor applications across Asia.

Technological Capabilities:

• Industrial-scale production
• Defect engineering expertise
• 5G infrastructure solutions

Download FREE Sample Report: Asia Pacific Diamond-based Semiconductors Market – View in Detailed Research Report

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3️⃣ 3. ILJIN Diamond

Headquarters: Seoul, South Korea
Key Offering: Diamond-based power electronics

ILJIN combines diamond science with semiconductor expertise to create innovative power devices for the Asian market.

Technological Capabilities:

• Vertical integration from diamond growth to device fabrication
• Strategic partnerships with chip foundries
• High-voltage device specialization

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2️⃣ 2. Zhengzhou Sino-Crystal Diamond Co., Ltd.

Headquarters: Zhengzhou, China
Key Offering: HPHT diamond substrates and devices

As China’s leader in synthetic diamond technology, Sino-Crystal is rapidly expanding into semiconductor applications.

Technological Capabilities:

• Mass production capabilities
• Government-backed R&D programs
• Focus on domestic semiconductor independence

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1️⃣ 1. Sumitomo Electric Industries

Headquarters: Osaka, Japan
Key Offering: Complete diamond semiconductor solutions

Sumitomo leads the Asia Pacific market with vertically integrated diamond semiconductor technology, holding over 25% regional market share.

Technological Capabilities:

• Industry-leading 6-inch diamond wafer development
• Quantum device commercialization
• Strategic alliances with global semiconductor firms

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🚀 Outlook: The Future of Diamond-based Semiconductors

The Asia Pacific diamond semiconductor market is undergoing rapid transformation as these advanced materials move from research labs to commercial applications.

📈 Key Developments Shaping the Market:

• Japan’s US$200M national quantum technology initiative driving demand
• China’s push for semiconductor self-sufficiency accelerating investment
• 5G infrastructure rollout creating new application opportunities
• Advancements in diamond synthesis reducing production costs

These market leaders aren’t just producing components—they’re enabling the next generation of high-performance electronics across industries.

Read Full Report: Asia Pacific Diamond-based Semiconductors Market – View in Detailed Research Report