Market Context — Why This Technology, Why Now

The global push for higher product quality, especially in microelectronics and biopharmaceuticals, coupled with escalating environmental regulations for air and water purity, drives urgent demand for advanced particle detection. Supply chain vulnerabilities and rising operational costs further compel industries to adopt real-time, high-precision monitoring solutions that minimize waste and maximize efficiency. This technology directly supports these critical industry shifts.

Key Competitive Advantages
01

Achieves Ultra-High Sensitivity and Precision: Detects extremely fine particles with high sensitivity and precision by measuring interference between scattered and diffracted light, significantly improving detection limits and reducing defect rates.

02

Enables Real-time In-line Inspection: Simplifies sample pretreatment for real-time in-line measurement, potentially reducing inspection process time by up to 80% and significantly boosting production efficiency.

03

Establishes High Proprietary Technology and Entry Barrier: Demonstrates unique technological foundation with only two prior art references, making it difficult for competitors to imitate and enabling strong market differentiation.

Market Opportunity
Semiconductor Manufacturing
$33.5B globally (AI est.)
As semiconductor circuit miniaturization advances, the impact of fine particle contamination during processing on product yield becomes critical, making high-precision, real-time particle measurement indispensable.
Advanced semiconductor manufacturers Semiconductor equipment suppliers Wafer fabrication plants
Pharmaceuticals & Biotech
$13.5B globally (AI est.)
Contamination in pharmaceutical manufacturing directly impacts product safety, leading to stricter GMP requirements. The development of high-functionality biopharmaceuticals demands increasingly precise particle measurement.
Biopharmaceutical companies Medical device manufacturers Pharmaceutical quality control solution providers
Environmental Monitoring
$6.5B globally (AI est.)
Monitoring needs for environmental pollutants like atmospheric PM2.5 and microplastics in water are increasing, accelerating investment in high-sensitivity, continuous particle measurement technologies.
Environmental monitoring equipment providers Water treatment and purification companies Air quality management solution developers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent broadly protects a fine particle measurement device, including its illumination and detection components, flow path, and the process of detecting scattered and diffracted light interference to acquire particle information. With only two prior art references and a robust claim set, it establishes a strong, unique technological foundation with high market differentiation and reduced invalidation risk.

Competitive White Space

This patent primarily covers the optical measurement device and method. White space exists in developing AI-driven predictive analytics for process control based on the acquired particle data, or integrating this technology with advanced microfluidic systems for novel lab-on-a-chip applications.

Economic Impact
~$1M/year estimated defect loss reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Assuming a reduction in defect rate due to fine particle contamination from 0.5% to 0.1% in semiconductor or pharmaceutical factories. For a factory with an annual production value of ~$6.5B (AI est.), annual losses from defective products are estimated at ~$3.5M (AI est.). By improving the defect rate by 0.4% with this technology, annual losses could be reduced to ~$0.5M (AI est.), resulting in an annual loss reduction of ~$2.5M (AI est.). Considering additional savings from reduced labor and inspection time, an annual economic impact of ~$1M (AI est.) is achievable.

Speed to Market
5× faster than in-house development
This technology is based on established algorithms utilizing light diffraction, with fundamental theoretical validation already complete. Integration into existing optical measurement systems via software and modularization of detectors enables rapid deployment. This significantly shortens the initial product development phase, potentially reducing time-to-market by approximately 3.2 years compared to in-house development. This allows early establishment of competitive advantage and maximization of first-mover benefits.
Competitive Positioning

X: Detection Sensitivity & Accuracy
Y: Real-time Measurement Efficiency

Business Models & Applications
🔬 Measurement Module OEM Supply
Develop a fine particle measurement module based on this core technology for OEM supply to semiconductor manufacturing equipment and pharmaceutical process machinery manufacturers. It can be provided as a high-value component designed for integration into existing systems.
📈 Data Analytics SaaS Offering
Deploy a cloud-based SaaS solution that analyzes fine particle data acquired by this technology to support quality control and optimization of manufacturing processes. Real-time monitoring and predictive maintenance enhance customer productivity.
🤝 Joint R&D Partnership
Establish strategic partnerships with leading companies in specific industries to jointly research, develop, and implement custom fine particle measurement solutions tailored to their specific needs.
Adjacent Application Opportunities
🧬 Medical & Diagnostics
Early Disease Diagnostic Devices
Leveraging this technology's ultra-high sensitivity particle detection, it could be applied to diagnostic devices for high-sensitivity detection of pathogens, extracellular vesicles (Exosomes), and other microparticles in blood or bodily fluids. This could contribute to the discovery of early disease markers for cancer and infectious diseases, accelerating the advancement of precision medicine.
🔋 Battery & Material Development
Real-time Material Property Evaluation
This technology could be adapted for high-precision, real-time evaluation of particle size distribution and aggregation states in next-generation battery materials (e.g., solid-state batteries) and advanced material development. This could shorten R&D cycles by over 20%, supporting material property optimization and accelerating new material market entry.
🚀 Space & Aviation
Prognostic Maintenance & Safety Monitoring
Applicable as a system for detecting micro-debris in space or analyzing wear particles in aircraft fuel and lubricants. This could enable early diagnosis of potential failures in spacecraft and aircraft, significantly enhancing safety and maintenance efficiency.
Integration Roadmap — Estimated 20-Month Deployment
Phase 1: Initial Evaluation & Proof of Concept
Duration: 4 months
Assess technical compatibility with the licensee's existing systems and confirm basic performance and data acquisition stability through small-scale pilot tests.
Phase 2: System Integration & Prototype Development
Duration: 7 months
Adjust data analysis algorithms derived from this technology and develop/test a prototype system, including API integration with existing quality management systems.
Phase 3: Full-scale Deployment & Optimization
Duration: 9 months
Implement across multiple production lines, leverage acquired data for process improvement, and optimize the system for long-term operational stability to maximize business contribution.
Technical Feasibility
This technology is based on an optical principle that measures the interference of scattered and diffracting light, comprising an illumination device for a flow path and a detection device for light from the path. This optical module could be easily integrated as an in-line sensor into existing manufacturing lines or inspection equipment. Its optical approach minimizes physical interference with existing fluid control systems, and software interface design and collaboration could minimize equipment modifications during deployment.
Success Scenario
Implementing this technology could enable real-time monitoring of fine particle contamination in manufacturing lines, potentially reducing the defect rate from approximately 0.5% to below 0.1%. This could lead to an estimated 20% annual reduction in quality assurance costs and enhanced customer trust. Early detection may also minimize lost opportunities due to production line stoppages.
Patent Record
APPLICATION NO.
特願2021-126164
REGISTRATION NO.
7790695
FILING DATE
2021年07月30日
GRANT DATE
2025年12月15日
EXPIRATION DATE
2041年07月30日
PATENT HOLDER
国立大学法人 東京大学
Examination History
2024年07月11日
出願審査請求書
2025年06月24日
拒絶理由通知書
2025年08月15日
意見書
2025年08月15日
手続補正書(自発・内容)
2025年11月18日
特許査定