Market Context — Why This Technology, Why Now

The escalating global energy crisis and stringent environmental regulations are driving an urgent need for ultra-efficient power electronics across all industries. Simultaneously, the proliferation of data centers, electric vehicles, and advanced communication networks demands semiconductors capable of higher speeds and greater power handling. This technology directly addresses these pressures by enabling diamond-based devices that offer superior performance and energy savings, positioning licensees at the forefront of sustainable and high-performance electronics manufacturing.

Key Competitive Advantages
01

Achieves over 2x carrier mobility, enabling high-speed device operation for next-generation communication and data centers.

02

Reduces device power loss by up to 66% compared to SiC, significantly improving overall system energy efficiency.

03

Improves manufacturing process stability by suppressing interface defects, contributing to high-yield production of diamond semiconductors.

Market Opportunity
Power Electronics
$3B–$4B globally (AI est.)
Improving power conversion efficiency in EVs, industrial equipment, and renewable energy sectors is a critical challenge. The low-loss characteristics of diamond semiconductors offer a significant advantage, driving market expansion.
EV inverter manufacturers Industrial power supply OEMs Renewable energy system integrators
High-Speed Communication Devices
$1.5B–$2.5B globally (AI est.)
High-speed and large-capacity data processing is essential for 5G/6G base stations, data centers, and high-frequency radar. The high-frequency characteristics and high mobility of diamond semiconductors are indispensable, leading to increased demand.
5G/6G base station component suppliers Data center equipment manufacturers High-frequency radar system developers
Aerospace and Defense
$1B–$2B globally (AI est.)
Diamond semiconductors' radiation and heat resistance could enhance reliability and performance in space probes and defense systems operating in extreme environments, creating new demand.
Satellite component manufacturers Defense system integrators Aerospace electronics suppliers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent establishes a broad scope of protection across 10 claims for a method of manufacturing MIS-type semiconductor devices, specifically focusing on atmosphere control during the formation of hydrogen-terminated diamond layers and insulator layers. It is considered robust and difficult to invalidate, having successfully overcome examiner objections during prosecution by clearly demonstrating novelty and inventive step over four prior art documents.

Competitive White Space

While protecting the core manufacturing method for diamond MIS devices, this patent leaves white space for licensees to develop application-specific device designs, advanced packaging solutions, or integration into complex electronic systems.

Economic Impact
~$1M/year estimated cost reduction and revenue opportunity per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Applying this technology to a production line with annual electricity costs of $5M (AI est.) could reduce power loss by an average of 20% compared to SiC devices, resulting in an estimated annual cost reduction of $1M (AI est.). Additional revenue growth is anticipated from enhanced market competitiveness and high-value product offerings.

Speed to Market
5× faster than in-house development
Developing similar technology from scratch in-house would require over 5 years of extensive research and significant investment, from fundamental diamond semiconductor research to manufacturing process establishment. This technology, however, is based on years of fundamental research and proven data by the National Institute for Materials Science (NIMS), with key processes already established. This allows licensees to significantly shorten development time, potentially aiming for commercialization and market entry in approximately 1 year.
Competitive Positioning

X: Energy Efficiency
Y: Device Performance (Speed & Miniaturization)

Business Models & Applications
📝 Manufacturing License Grant
Granting a license for this technology's manufacturing process enables licensees to produce high-value diamond semiconductor devices for integration into their own products.
🤝 Joint Development and Contract Manufacturing
A business model could involve joint development with NIMS to create customized devices for specific applications, or contract manufacturing of such devices.
💡 Technical Consulting
Offer specialized expertise in the design and manufacturing of diamond semiconductor devices, supporting licensees in resolving technical challenges and product development.
Adjacent Application Opportunities
🚀 宇宙・防衛
Extreme Environment Devices
Leveraging its superior radiation and heat resistance, diamond semiconductors enabled by this technology could be adapted for electronic components operating in space or high-radiation/high-temperature environments. This promises enhanced reliability and miniaturization for satellite-mounted equipment, high-performance radar, and aircraft power devices, addressing applications challenging for conventional semiconductors.
🏥 医療機器
Ultra-Compact, High-Efficiency Biosensors
The miniaturization and high-efficiency characteristics of diamond semiconductors make them suitable for implantable medical devices and high-precision biosensors. Low-power, long-life devices could improve performance in pacemakers, glucose monitors, and neurostimulators, potentially reducing patient burden and enhancing quality of life.
🔬 量子コンピューティング
Quantum Bit Device Foundation Technology
Nitrogen-vacancy (NV) centers in diamond are promising stable quantum bits at room temperature. This technology's ability to form high-quality diamond semiconductor layers could enable improved control and integration of NV centers, serving as a foundational technology for future diamond-based quantum computer development.
Integration Roadmap — Estimated 22-Month Deployment
Phase 1: Technology Validation and Compatibility Assessment
Duration: 4 months
Understand the fundamental theory and process flow of this technology, then assess its compatibility with the licensee's existing manufacturing equipment and materials. An implementation scenario will be developed based on data and expertise from NIMS.
Phase 2: Process Optimization and Prototype Development
Duration: 9 months
Optimize the atmosphere control process, from hydrogen-terminated diamond layer formation to insulator layer formation, to suit the licensee's environment. Develop prototype devices on a small-scale trial line, conducting performance evaluation and quality verification.
Phase 3: Mass Production Process Establishment
Duration: 9 months
Based on insights from prototype development, establish a manufacturing process for mass production and focus on yield improvement. Build a quality control system to ensure stable production of market-ready products.
Technical Feasibility
This technology specializes in atmosphere control during the formation of hydrogen-terminated diamond semiconductor layers and insulator layers. It could be integrated into existing semiconductor manufacturing processes by adding or modifying gas introduction systems and control systems in current deposition and vacuum equipment. The broad scope of atmosphere control described in the patent claims suggests high compatibility with existing licensee facilities, enabling relatively low-cost and short-term adoption without extensive capital investment. The maturity of this fundamental technology, developed by a national research institution, further enhances its feasibility.
Success Scenario
Implementing this technology could enable licensees to introduce high-efficiency, high-speed diamond semiconductor devices to the next-generation power semiconductor market ahead of competitors. This could lead to tangible outcomes such as miniaturized EV inverters with extended range, a 20% reduction in data center power consumption, and a 1.5x increase in 5G base station processing speed. Ultimately, this has the potential to add several percentage points to annual revenue and establish a dominant position in new markets.
Patent Record
APPLICATION NO.
特願2023-178336
REGISTRATION NO.
7576352
FILING DATE
2023/10/16
GRANT DATE
2024/10/23
EXPIRATION DATE
2043/10/16
PATENT HOLDER
国立研究開発法人物質・材料研究機構
Examination History
2023年10月25日
出願審査請求書
2024年07月02日
拒絶理由通知書
2024年08月09日
意見書
2024年08月09日
手続補正書（自発・内容）
2024年10月08日
特許査定