Market Context — Why This Technology, Why Now

The global imperative for sustainable water resource management and resilient infrastructure is driving demand for advanced monitoring and maintenance technologies. Climate change exacerbates water stress and infrastructure degradation, making early detection of leakage in critical facilities like underground dams paramount. This technology aligns with global trends in smart infrastructure, predictive maintenance, and environmental stewardship, offering a vital tool for governments and private operators to safeguard water supplies and extend asset lifespans.

Key Competitive Advantages
01

Achieves high-precision detection independent of groundwater levels

02

Reduces maintenance costs by up to 25% through early detection

03

Provides a stable IP foundation for business expansion

Market Opportunity
💧 Agricultural Water Infrastructure
$300M–$400M globally (AI est.)
Underground dams are crucial for stable agricultural water supply. Addressing aging infrastructure and efficient water management are urgent priorities, making high-precision leakage detection a critical requirement.
Agricultural water management authorities Irrigation system developers Rural infrastructure contractors
🌊 Flood Control and Erosion Prevention
$400M–$500M globally (AI est.)
Maintaining the integrity of subsurface structures in river improvement and flood control dams is increasingly vital for mitigating frequent natural disasters, driving demand for advanced solutions.
National and regional flood control agencies Civil engineering firms specializing in water management Disaster prevention technology providers
🏗️ Infrastructure Inspection and Diagnostics
$150M–$250M globally (AI est.)
As infrastructure inspection and diagnostics undergo digital transformation (DX), there is high demand for non-destructive, high-precision inspection technologies. This technology could enhance existing services and form the basis for new offerings.
Infrastructure consulting firms Digital twin and monitoring solution providers Geotechnical survey companies
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a core method for evaluating underground dam permeability by comparing groundwater ages, encompassing specific measurement techniques and determination criteria across its 6 claims. The robust prosecution history, including overcoming examiner rejections with strategic amendments, indicates a strong and defensible IP position, providing licensees with a secure foundation for business operations.

Competitive White Space

Adjacent white space includes developing novel groundwater sampling hardware, integrating real-time sensor networks for continuous monitoring, or applying the geochronological comparison principle to broader hydrological studies beyond dam leakage, such as aquifer recharge rates or subsurface contaminant transport modeling.

Economic Impact
~$0.15M/year estimated cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Underground dam maintenance costs, including major repairs, can range from tens of millions to hundreds of millions of JPY annually. This technology enables early detection of leakage signs and planned preventive maintenance, avoiding sudden large-scale repairs. This could reduce annual maintenance costs by approximately 25% (e.g., for an annual maintenance cost of $0.5M (AI est.), a reduction of $0.15M (AI est.)).

Speed to Market
8× faster than in-house development
Developed by a national research institute, the core groundwater age dating techniques and analysis algorithms are presumed to be well-established. Proof-of-concept and initial data collection are likely complete, eliminating the need for licensees to undertake fundamental R&D. This significantly shortens the technology establishment phase, which would typically take ~4 years for in-house development, allowing for rapid progression to demonstration and deployment within ~6 months.
Competitive Positioning

X: Leakage Detection Accuracy
Y: Maintenance Cost Reduction Effect

Business Models & Applications
📈 Service Provision Model
Offer underground dam managers leakage evaluation services utilizing this technology. Regular diagnostics and emergency response could ensure stable revenue streams.
🤝 Licensing Model
Grant implementation rights for this technology to existing infrastructure inspection and construction companies. This enables licensees to rapidly deploy new high-value services and generate royalty income.
💡 Integrated Solution Model
Provide a comprehensive solution package, from groundwater sampling and data analysis to countermeasure proposals. This high-value business model offers integrated problem-solving for clients.
Adjacent Application Opportunities
⛲ Groundwater & Geotechnical Surveys
Groundwater Contamination Source Identification & Plume Prediction
Applying the principle of groundwater age comparison, this technology could identify subsurface contaminant pathways and diffusion rates from industrial effluent or hazardous materials. This offers potential for environmental risk assessment and remediation, opening avenues in environmental consulting and soil contamination markets.
🏞️ Environmental Monitoring
Lake & Riverbed Leakage Detection
This technology could be adapted to evaluate leakage from lake or riverbed structures, or to assess groundwater inflow/outflow. It would contribute to water quality management and ecosystem preservation by clarifying water dynamics, creating new demand in the environmental assessment sector.
🔋 Resource Exploration & Development
Geothermal & Hot Spring Reservoir Assessment
In geothermal power and hot spring development, groundwater age analysis could evaluate water movement and circulation within subsurface reservoirs. This could enhance resource quantification and sustainable utilization planning, contributing to the renewable energy sector.
Integration Roadmap — Estimated 18-Month Deployment
Technology Validation and Site Suitability Assessment
Duration: 6 months
Conduct preliminary surveys at the target underground dam site. This includes cross-referencing existing geological data, identifying optimal measurement points, and adjusting groundwater age dating methods to assess site suitability.
System Development and Prototype Implementation
Duration: 9 months
Develop the field data collection system, refine analysis algorithms, and implement a trial leakage evaluation prototype. Conduct in-situ tests to verify detection accuracy and stability.
Full-Scale Deployment and Operation
Duration: 3 months
Finalize and deploy the evaluation system. Commence full-scale permeability assessment of the underground dam based on regular data collection and analysis, integrating it into preventive maintenance plans to maximize operational effectiveness.
Technical Feasibility
This technology, an analytical method comparing groundwater ages, can be implemented by combining existing groundwater sampling techniques with established age dating methods (e.g., tritium, carbon-14). The patent claims outline the fundamental procedure for comparing upstream and downstream groundwater ages, requiring no new large-scale capital investment and offering high compatibility for easy integration into existing geological surveys and hydrological infrastructure inspection methods.
Success Scenario
Implementing this technology could enable early detection of subtle leakage signs in underground dams. This is expected to allow for proactive identification of risks often overlooked by conventional periodic inspections, enabling preventive measures before major repairs become necessary. Consequently, unexpected repair costs could be reduced by approximately 20% annually, and dam operational rates are estimated to be maintained stably above 95%.
Patent Record
APPLICATION NO.
特願2020-076601
REGISTRATION NO.
7460132
FILING DATE
2020/04/23
GRANT DATE
2024/03/25
EXPIRATION DATE
2040/04/23
PATENT HOLDER
国立研究開発法人農業・食品産業技術総合研究機構
Examination History
2023年02月14日
出願審査請求書
2023年11月07日
拒絶理由通知書
2023年12月07日
手続補正書（自発・内容）
2023年12月07日
意見書
2024年02月27日
特許査定