Market Context — Why This Technology, Why Now

The global imperative for sustainable water management and efficient industrial processes is intensifying. Industries face increasing pressure to reduce operational expenditures, minimize environmental impact, and enhance product purity. This technology directly addresses these challenges by offering membranes that extend operational cycles and reduce chemical cleaning needs, aligning with global trends towards resource efficiency and circular economy principles. The rising demand for advanced filtration in emerging economies further underscores its market relevance.

Key Competitive Advantages
01

Significantly enhances fouling resistance by substantially suppressing organic and microbial adhesion compared to conventional membranes, due to the poly(2-methoxyethyl acrylate) blend.

02

Simplifies manufacturing process and improves cost efficiency through a phase separation method, allowing easy integration into existing membrane production lines without significant capital investment.

03

Secures robust IP in a highly competitive field, having overcome rigorous examination and 12 prior art references, ensuring a strong, difficult-to-invalidate patent.

Market Opportunity
Water Treatment & Purification
$20B globally (AI est.)
Global water scarcity and increasing water pollution are driving demand for high-performance purification and wastewater treatment membranes. Fouling control is key to operational efficiency.
Municipal water treatment plant operators Industrial wastewater treatment solution providers Desalination plant developers
Industrial Separation & Purification
$10B globally (AI est.)
Membrane technology is crucial for separation and purification processes across various industries like chemical, food, and pharmaceutical. High-efficiency, low-cost separation directly boosts productivity.
Chemical processing equipment manufacturers Food & beverage processing OEMs Pharmaceutical ingredient producers
Medical & Bio-Applications
$3.5B globally (AI est.)
Porous membranes are essential in medical fields requiring biocompatibility and high performance, such as artificial kidneys, hemodialysis, and drug delivery systems. This technology's hydrophilicity offers a significant advantage.
Medical device manufacturers (dialysis, filtration) Biotechnology companies developing separation media Pharmaceutical companies for drug delivery systems
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects both the composition of the porous membrane and its manufacturing method, as defined by its five claims. It represents a robust IP asset, having successfully navigated two office actions and 12 prior art references in a highly competitive field, demonstrating clear differentiation and strong validity for licensees.

Competitive White Space

This patent primarily covers the blend polymer composition and phase separation manufacturing method. White space exists in developing advanced membrane module designs, integrating smart sensing capabilities for real-time fouling detection, or exploring novel applications in high-pressure or high-temperature separation processes.

Economic Impact
~$200K/year estimated operational cost savings per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

For a typical industrial water treatment facility, assuming membrane cleaning frequency and replacement cycles are halved compared to conventional methods. Annual cleaning costs of $100K (AI est.) and membrane replacement costs of $100K (AI est.) could be saved, totaling $200K/year (AI est.). This is attributed to extended membrane lifespan and reduced maintenance labor.

Speed to Market
4× faster than in-house development
This technology, including its porous membrane manufacturing method, is relatively easy to integrate into existing membrane production processes. The patent details blend polymer ratios and phase separation conditions, indicating established foundational algorithms. This could shorten time-to-market by approximately 3 years compared to in-house R&D, enabling rapid business deployment.
Competitive Positioning

X: Operational Cost Efficiency
Y: Fouling Resistance

Business Models & Applications
🤝 Product Co-Development
Jointly develop high-performance porous membranes using this technology for a licensee's specific applications, aiming for market launch. Create business synergies by leveraging mutual strengths through technology licensing and development know-how.
🏭 Manufacturing License
A licensing model where the licensee manufactures and sells porous membranes based on this technology using their existing production lines. This secures royalty income while enabling the licensee to quickly enhance their product portfolio.
💡 Consulting Package
Provide consulting services for technology evaluation, market analysis, and manufacturing process optimization to companies considering adopting this technology, increasing the likelihood of successful implementation.
Adjacent Application Opportunities
🧪 化学・製薬
High-Efficiency Separation & Purification Membranes
In pharmaceutical manufacturing and chemical processes, this technology could enable high-efficiency separation of fine particles and target substances, which are challenging with conventional methods. Enhanced fouling resistance may reduce filter replacement frequency and minimize production line downtime.
🏥 医療デバイス
Next-Generation Dialysis & Biocompatible Filters
Leveraging the blend polymer's hydrophilicity and biocompatibility, this technology could be applied to hemodialysis membranes and artificial organ filters. It has the potential to reduce patient burden and contribute to safer, longer-lasting medical devices by suppressing protein adsorption.
🔋 エネルギー
Fuel Cell & Battery Separators
This technology could be repurposed as a separator membrane for fuel cells and batteries, ensuring electrolyte permeability while enabling stable ion exchange for high-performance EVs and stationary batteries. Improved durability and cost efficiency could accelerate the adoption of next-generation energy devices.
Integration Roadmap — Estimated 22-Month Deployment
Phase 1: Technology Evaluation & PoC
Duration: 4 months
Evaluate the technology's suitability for the licensee's specific applications and conduct small-scale lab-level Proof of Concept (PoC). Verify performance targets and feasibility.
Phase 2: Process Optimization & Prototype Development
Duration: 9 months
Based on PoC results, optimize process parameters for integration into the licensee's existing manufacturing equipment. Resolve technical challenges for mass production through prototype membrane fabrication and detailed performance evaluation.
Phase 3: Production Line Integration & Market Launch
Duration: 9 months
Integrate the optimized process into existing production lines and establish quality control systems. After initial batch production and field testing, commence product market launch and full-scale business deployment.
Technical Feasibility
This technology features a manufacturing method that precipitates porous membranes using a blend polymer of a base polymer and poly(2-methoxyethyl acrylate) via phase separation. As phase separation is a widely used method in membrane manufacturing, adjusting the materials and process conditions detailed in the patent specification should allow for relatively easy integration into existing membrane production facilities. Smooth adoption is expected without requiring new large-scale capital investment, leveraging existing production lines.
Success Scenario
Implementing this technology could potentially reduce membrane cleaning frequency in water treatment plants by up to 50%. This could lead to an estimated 20% reduction in annual maintenance labor and a 5% increase in plant operational uptime. Consequently, annual production volume could expand by 1.05 times while significantly suppressing operational costs.
Patent Record
APPLICATION NO.
特願2020-159864
REGISTRATION NO.
7731121
FILING DATE
2020/09/24
GRANT DATE
2025/08/21
EXPIRATION DATE
2040/09/24
PATENT HOLDER
学校法人　工学院大学
Examination History
2023年08月02日
出願審査請求書
2024年10月29日
拒絶理由通知書
2024年12月26日
意見書
2024年12月26日
手続補正書（自発・内容）
2025年03月25日
拒絶理由通知書
2025年05月26日
手続補正書（自発・内容）
2025年05月26日
意見書
2025年07月15日
特許査定