Market Context — Why This Technology, Why Now

Escalating global health concerns, including new pathogen outbreaks and increasing antibiotic resistance, are driving demand for advanced, accessible sterilization methods. Simultaneously, rising labor costs and a focus on sustainability are pushing industries towards autonomous, energy-efficient solutions. This technology aligns perfectly with these trends, offering a versatile, low-maintenance disinfection platform crucial for maintaining public health and operational continuity in a resource-constrained world.

Key Competitive Advantages
01

Enables easy deployment by eliminating external power and reducing size. Unlike conventional sterilization devices requiring power and large equipment, this technology utilizes layered double hydroxides (LDH) to release chlorine dioxide gas without electricity, allowing for versatile installation in various environments.

02

Provides high stability and extended efficacy. By intercalating chlorite ions between metal hydroxide layers, the technology stably retains chlorine dioxide gas, enabling effective sustained release over long periods, reducing frequent replacement and operational costs.

03

Establishes strong competitive differentiation. With only two prior art documents cited by the examiner, this technology demonstrates significant uniqueness, securing a clear technical advantage over competitors and supporting early market share capture and exclusive business development.

Market Opportunity
Medical and Nursing Care Facilities
$300M–$350M domestically (AI est.)
Driven by enhanced infection control measures and a growing need for portable disinfection solutions, this technology could reduce infection risks and improve operational efficiency.
Hospital groups Nursing home chains Medical device suppliers Healthcare facility management
Food Processing and Distribution
$150M–$200M domestically (AI est.)
With increasing demands for food freshness, microbial control, and stricter hygiene standards, this simple yet effective disinfection technology could enhance product quality and reduce food waste.
Food manufacturers Cold chain logistics providers Food packaging companies Restaurant chains
Disaster and Emergency Response
$50M–$65M domestically (AI est.)
Disinfection and sterilization are critical in environments without power. The technology's power-free and long-lasting properties are essential for maintaining hygiene in evacuation centers and temporary medical facilities.
Emergency relief organizations Government disaster preparedness agencies Temporary shelter providers Humanitarian aid groups
Public Spaces and Transportation
$100M–$150M domestically (AI est.)
There is a growing need for continuous disinfection in spaces used by many people, such as buses, trains, and commercial facilities, requiring small, discreet, and sustained disinfection solutions.
Public transport operators Commercial property managers Retail chains Event venue operators
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent broadly protects the composition of a chlorine dioxide gas sustained-release agent, its packaging, the release method, and the release device, covering 20 claims. It successfully navigated examiner rejections with robust amendments, indicating a clear, strong, and difficult-to-invalidate scope of protection with high technical originality.

Competitive White Space

This patent primarily covers the core sustained-release mechanism and packaging. White space exists in integrating smart sensors for real-time gas level monitoring or developing active packaging systems that dynamically adjust release rates based on environmental data.

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

For medical facilities and food processing plants, assuming annual conventional sterilization costs (labor, energy, consumables) of ~$650K (AI est.). Implementing this technology could reduce power costs by ~10%, shorten operational time by ~15%, and optimize chemical expenses by ~5%, totaling an estimated ~30% cost reduction. This projects an annual savings of ~$200K (AI est.) per facility.

Speed to Market
4× faster than in-house development
Developing a similar chlorine dioxide gas sustained-release agent in-house would require significant time and expertise for LDH synthesis and optimization, establishing the chlorite ion intercalation mechanism, controlling release rates, and safety evaluations. This technology, having completed fundamental technical verification by a national research institute with an established release mechanism, allows licensees to accelerate market entry from the product development phase, potentially shortening development time by approximately 3 years.
Competitive Positioning

X: Operational Cost Efficiency
Y: Ease of Installation & Management

Business Models & Applications
🧪 In-house Product Development & Sales
Develop and directly sell chlorine dioxide gas sustained-release agents and related devices, with this technology at its core, targeting medical, food, and public health markets. This model allows for building a unique product lineup.
🤝 Technology Licensing
Grant licenses for this technology to companies specializing in specific industries or applications. This model accelerates broad market penetration and secures royalty income.
📦 OEM/ODM Supply
Supply sustained-release agents or components incorporating this technology under other companies' brands. This allows for scaling production and stabilizing revenue while mitigating development risks.
Adjacent Application Opportunities
🏥 Medical & Nursing Care Facilities
Portable Sterilization & Disinfection Units
Could be used as small, portable sterilization and disinfection units in non-surgical treatment rooms, home healthcare, or nursing facility rooms where power access is challenging. This contributes to rapid environmental hygiene maintenance in high-risk areas and could reduce healthcare worker burden by an estimated 20-30%.
🌱 Smart Agriculture
Greenhouse Environmental Control & Pest Suppression
Applicable as an environmental control technology within greenhouses and plant factories to suppress the proliferation of specific pathogens and molds. By maintaining a clean overall environment without direct contact with crops, it could reduce pesticide use by ~15% and stabilize yields, enhancing food safety.
🚌 Public Transportation
In-Vehicle Continuous Air Disinfection System
Installed under seats or on ceilings in public transport like buses, trains, and taxis, this power-free system could continuously release chlorine dioxide gas over long periods. This improves in-vehicle air quality and reduces passenger infection risk by an estimated 25%.
Integration Roadmap — Estimated 22-Month Deployment
Technology Evaluation & Proof of Concept
Duration: 4 months
Conduct internal technical evaluation, analyze compatibility with existing product lines, and perform small-scale Proof of Concept (PoC) to identify specific benefits and challenges of implementation.
Prototype Development & Safety Validation
Duration: 9 months
Based on PoC results, develop product prototypes, evaluate performance under near-real-world conditions, and validate safety and efficacy in compliance with international regulations.
Commercialization & Market Launch
Duration: 9 months
After safety validation, establish mass production systems and formulate marketing strategies for product launch and distribution network establishment in target markets.
Technical Feasibility
This technology is a solid-material-based sustained-release agent that intercalates chlorite ions into layered double hydroxides, making it relatively easy to integrate into existing chemical product manufacturing processes and packaging technologies. The patent claims include packaging, indicating a high potential for commercialization through material substitution or additional steps on existing production lines, without requiring significant capital investment. This suggests low technical barriers and rapid product development.
Success Scenario
Should this technology be adopted, licensees could offer new sterilization and disinfection solutions that do not rely on power infrastructure. For instance, in healthcare settings, it could enable rapid infection control during emergencies or in remote areas, enhancing patient safety and significantly reducing the disinfection workload for medical staff. This is estimated to cut annual operating costs by up to 30% and open new market segments.
Patent Record
APPLICATION NO.
特願2021-528200
REGISTRATION NO.
7179385
FILING DATE
2020/06/15
GRANT DATE
2022/11/18
EXPIRATION DATE
2040/06/15
PATENT HOLDER
国立研究開発法人物質・材料研究機構
Examination History
2021年09月17日
出願審査請求書
2021年12月17日
手続補正書（自発・内容）
2022年08月02日
拒絶理由通知書
2022年09月21日
手続補正書（自発・内容）
2022年09月21日
意見書
2022年11月08日
特許査定