Market Context — Why This Technology, Why Now

Industries worldwide are facing increasing pressure to enhance product quality, reduce manufacturing defects, and improve operational safety, particularly in complex environments. The rise of Industry 4.0 and autonomous systems necessitates advanced sensing capabilities that go beyond traditional 2D limitations. This technology directly addresses these trends by enabling non-destructive, high-resolution 3D inspection, offering a competitive edge to manufacturers striving for zero-defect production and enhanced reliability in next-generation applications.

Key Competitive Advantages
01

Enables high-precision detection of depth-direction electric field components, eliminating blind spots that conventional 2D sensors miss. This dramatically improves inspection accuracy for internal product anomalies and spatial electromagnetic characteristics.

02

Boosts inspection efficiency by up to 1.5× through non-contact, high-precision sensing. Ideal for delicate products or hazardous environments, enabling automated and faster inspection processes.

03

Secures robust intellectual property in a competitive field. This patent successfully navigated rigorous examination against seven prior art documents, establishing clear differentiation and strong protection.

Market Opportunity
Smart Factory
$15B–$25B globally (AI est.)
This technology could be utilized for non-contact product quality inspection and predictive maintenance of equipment on production lines, contributing to improved manufacturing efficiency and yield.
Industrial automation solution providers Factory equipment OEMs Quality control system integrators
Automotive & Autonomous Driving
$60B–$70B globally (AI est.)
It could serve as an environmental recognition sensor, complementing blind spots of in-vehicle radar and LiDAR, and detecting electromagnetic interference within vehicles, thereby enhancing safety.
Automotive Tier 1 suppliers Autonomous vehicle sensor developers ADAS system manufacturers
Medical & Healthcare
$8B–$12B globally (AI est.)
It has potential applications in non-contact vital sign monitoring and electromagnetic characteristic evaluation within medical devices, contributing to reduced patient burden and improved diagnostic accuracy.
Medical device manufacturers Remote patient monitoring solution providers Diagnostic imaging equipment developers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a unique 3D electric field sensor architecture, comprising specific arrangements of metal surfaces, resistors, and vias on a substrate. Its robust claims, established after successfully overcoming examiner objections against seven prior art documents, provide strong protection against imitation and ensure a clear competitive advantage.

Competitive White Space

This patent primarily covers the 3D electric field sensor hardware and its detection method. White space exists in advanced data fusion with other sensor modalities or developing AI-driven predictive analytics based on the 3D field data.

Economic Impact
~$350K/year estimated inspection cost reduction and quality improvement per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Replacing three existing 2D radio wave sensors with one unit of this technology on a manufacturing line. This could reduce sensor equipment costs by ~$150K/year (AI est.), including maintenance, by eliminating two units. Additionally, automating and streamlining inspection processes could reduce labor costs by ~$20K/year (AI est.) for two operators (20% of their annual salary). Improving detection accuracy by 1% could avoid ~$200K/year (AI est.) in losses from defective products. Total estimated economic impact exceeds ~$350K/year per facility.

Speed to Market
6× faster than in-house development
This technology is implementable using standard semiconductor manufacturing processes for forming metal surfaces and resistors on a substrate, and its principle has likely been validated. With the core technology already established as a patent, adopting companies can significantly reduce development time compared to starting from scratch. Leveraging existing technical knowledge minimizes development risk, enabling rapid market entry.
Competitive Positioning

X: 3D Detection Accuracy
Y: Ease of Integration & Versatility

Business Models & Applications
💰 Product Licensing
Adopting companies could integrate this technology into their products (e.g., inspection devices, IoT devices) to differentiate from competitors and establish market leadership. This model anticipates stable revenue based on royalty income.
🤝 Joint Development & Solution Provision
Developing and providing custom solutions centered on this technology, in collaboration with companies facing specific industrial challenges, could enable high-value business expansion. Joint development agreements allow for risk diversification while opening new markets.
☁️ Sensor Data Analysis Service
A SaaS-based business model is also conceivable, where 3D electric field data acquired by this sensor is analyzed in the cloud and provided as anomaly detection reports or quality evaluation data. This could secure a continuous, data-driven revenue stream.
Adjacent Application Opportunities
🏭 Smart Factory
Non-Destructive In-Line Quality Control
This technology could precisely detect internal defects and foreign objects in products during manufacturing, non-contact. It has the potential to significantly reduce defect rates by identifying 3D anomalies missed by conventional inspection, contributing to advanced quality control automation and boosting production efficiency by up to 1.5x.
🚗 Autonomous Driving & ADAS
Advanced 3D Environmental Sensing for ADAS
It could map the electromagnetic environment around vehicles in 3D in real-time, detecting interference from other vehicles or infrastructure, and reflections from hidden objects. This complements radar and LiDAR blind spots, potentially enhancing autonomous driving system safety and reliability by 15-20% in complex scenarios.
🏥 Medical & Healthcare
Non-Invasive Vital Sign Monitoring
This technology could be applied to non-contact monitoring of subtle electric field changes emitted from the human body, such as heart rate, respiration, and muscle movement. It enables acquisition of vital signs without patient burden, with potential for remote healthcare, elder care systems, and new diagnostic devices, reducing patient discomfort by up to 50%.
Integration Roadmap — Estimated 22-Month Deployment
Phase 1: Technology Evaluation & PoC
Duration: 4 months
Evaluate compatibility with the adopting company's existing systems and product specifications. Conduct a small-scale Proof of Concept (PoC) to verify the technology's basic performance and effects. Define specific implementation requirements and develop a roadmap for subsequent steps.
Phase 2: Prototype Development & Validation
Duration: 9 months
Develop a prototype sensor optimized for specific applications and conduct detailed performance validation under conditions similar to the adopting company's actual operating environment. This phase also includes building data acquisition interfaces and adjusting analysis algorithms.
Phase 3: Mass Production Design & Full-Scale Deployment
Duration: 9 months
Based on insights from prototype validation, design for mass production and establish manufacturing processes. Subsequently, fully deploy into the adopting company's production lines or service systems and commence operation. Maximize effects through continuous improvement and optimization.
Technical Feasibility
This technology's structure, involving arrayed metal surfaces, resistors, and vias on a substrate, can be manufactured using standard printed circuit board or semiconductor process technologies. It could be easily integrated into existing electronic circuit manufacturing lines, likely requiring minimal new capital investment. The components described in the patent claims are achievable with versatile materials and processes, suggesting a low technical barrier and rapid adoption.
Success Scenario
Implementing this technology could enable high-precision, non-destructive detection of internal structures and depth-direction defects in product electromagnetic characteristic inspections on manufacturing lines, which is impossible with conventional 2D sensors. This could improve defect detection rates from an estimated 70% to 95%, potentially avoiding tens of millions of dollars in annual quality losses. Shorter inspection times could also enhance overall line utilization.
Patent Record
APPLICATION NO.
特願2020-032711
REGISTRATION NO.
7410561
FILING DATE
2020/02/28
GRANT DATE
2023/12/26
EXPIRATION DATE
2040/02/28
PATENT HOLDER
国立大学法人金沢大学
Examination History
2022年12月27日
出願審査請求書
2023年08月08日
拒絶理由通知書
2023年09月25日
手続補正書（自発・内容）
2023年09月25日
意見書
2023年12月05日
特許査定