Market Context — Why This Technology, Why Now

Global industries face increasing pressure to adopt sustainable practices and reduce environmental footprints, while consumers demand 'clean label' products with natural ingredients. Simultaneously, advancements in personalized medicine and high-efficacy cosmetics require sophisticated delivery systems that can precisely target and release active compounds. This technology offers a timely solution, aligning with these macro trends by providing a bio-compatible, natural-origin platform for enhanced product performance and environmental responsibility.

Key Competitive Advantages
01

Utilizes natural tannin acid derivatives, offering excellent biocompatibility and biodegradability for sustainable product development.

02

Enables easy and selective dissociation and release of encapsulated substances via chemical stimuli like surfactants, supporting high-precision DDS.

03

Offers broad applicability as a protection, transport, and controlled-release technology for active ingredients in pharmaceuticals, functional foods, cosmetics, and agrochemicals.

Market Opportunity
Pharmaceuticals & Drug Delivery Systems
$5.5B globally (AI est.)
Advancements in personalized medicine and the rise of biopharmaceuticals are increasing demand for DDS that enable targeted drug delivery and reduce side effects. Natural material-based DDS offer a significant advantage in biocompatibility.
Pharmaceutical R&D divisions Biotech firms specializing in novel drug delivery Contract Development and Manufacturing Organizations (CDMOs) for injectables
Functional Foods & Supplements
$1B domestically (AI est.)
Growing health consciousness and an aging population are driving interest in products that efficiently deliver specific nutrients and functional ingredients. There is a strong demand for improved stability and absorption efficiency.
Major food and beverage corporations Nutraceutical and supplement manufacturers Ingredient suppliers for functional foods
Cosmetics & Beauty Products
$350M domestically (AI est.)
Consumers increasingly prioritize skin gentleness and reduced environmental impact, creating high demand for technologies that stabilize active ingredients and enhance skin penetration using natural-origin compounds.
Global cosmetic brands Specialty chemical suppliers for personal care Skincare product formulators
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent broadly protects the structure of the micro-assembly, the specific tannin acid derivatives used, and their manufacturing method across 14 claims. Its patentability was affirmed after overcoming examiner rejections through precise amendments and arguments, demonstrating robust and stable intellectual property.

Competitive White Space

This patent protects the core micro-assembly structure and its chemical release. Licensees could build additional IP around novel physical trigger mechanisms (e.g., temperature, light), specific active ingredient formulations, or advanced integration into smart packaging.

Economic Impact
~$1.5M/year estimated early revenue and cost savings per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Applying this technology to DDS could shorten drug development time by an average of 0.5 years. For a product with ~$330M/year in sales, this could generate ~$1.5M/year in early revenue (AI est.). Additionally, using natural materials could reduce material costs by 10% compared to conventional synthetic polymer capsules. For a ~$0.5M/year manufacturing cost, this translates to ~$50K/year in savings (AI est.), particularly impactful for high-value ingredients.

Speed to Market
6× faster than in-house development
This technology's fundamental research, including the micro-assembly formation principle and chemical-triggered dissociation behavior, has been completed and established by the National Institute for Materials Science (NIMS). Extensive existing safety data for natural tannin acid derivatives means licensees do not need to conduct R&D from scratch, significantly accelerating time-to-market compared to in-house development.
Competitive Positioning

X: Environmental & Bio-Compatibility
Y: Drug Release Precision

Business Models & Applications
🤝 Licensing (Implementation Rights)
Licensees gain the right to utilize this patented technology in their product development, significantly reducing R&D costs and time, thereby accelerating market entry.
🔬 Joint Development & Technical Partnership
A model combining the National Research and Development Agency's expertise with the licensee's product development capabilities to jointly launch high-functional micro-assembly products for specific applications.
📦 Material Supply & OEM/ODM
This business model involves supplying tannin acid derivative capsules, manufactured using this technology, as functional materials to other companies' products, enabling expansion into diverse industries.
Adjacent Application Opportunities
💊 医薬品・DDS
Advanced Carrier for Oncology Therapeutics
This technology could encapsulate anti-cancer drugs, enabling efficient, chemically-triggered release within specific tumor microenvironments. This has the potential to reduce systemic side effects by ~30% and maximize therapeutic efficacy.
💄 化粧品・美容
Stabilizing Actives for High-Performance Skincare
Encapsulating unstable cosmetic actives like Vitamin C derivatives or retinoids could prevent degradation, extending product shelf-life by up to 50%. Selective release upon skin penetration could significantly boost efficacy and consumer satisfaction.
🍎 食品・機能性素材
Flavor Masking & Nutrient Protection for Supplements
This technology could encapsulate bitter or unpleasant-tasting functional ingredients, improving palatability and protecting them from gastric acid. This could enhance intestinal absorption by ~20-30%, leading to more effective supplements and functional foods.
Integration Roadmap — Estimated 22-Month Deployment
Concept Validation & Basic Evaluation
Duration: 4 months
Evaluate compatibility between the licensee's target ingredients and this technology. Acquire fundamental data for optimal tannin acid derivative selection and capsule formation conditions.
Prototype Development & Optimization
Duration: 9 months
Manufacture prototype micro-assemblies using selected ingredients. Conduct performance evaluations for release control, stability, and biocompatibility, and optimize the manufacturing process.
Mass Production & Product Launch Prep
Duration: 9 months
Based on the optimized manufacturing process, conduct scale-up verification for mass production. Simultaneously, prepare for market launch, including regulatory applications and product design.
Technical Feasibility
This technology is based on the self-assembly principle of tannin acid derivatives, making it relatively easy to integrate into existing microcapsule manufacturing facilities. It does not require specialized, high-cost equipment, being achievable with common mixing and dispersion processes. Its natural material base means focus can be on material sourcing and process adjustment rather than new capital investment, ensuring high compatibility with current production lines.
Success Scenario
Implementing this technology could significantly improve drug delivery to target sites in pharmaceuticals, substantially reducing systemic side effects. This could enhance patient quality of life and maximize therapeutic efficacy. In functional foods and cosmetics, it could increase active ingredient stability, extend product shelf-life, and boost perceived consumer benefits, thereby strengthening market competitiveness.
Patent Record
APPLICATION NO.
特願2020-519603
REGISTRATION NO.
7061815
FILING DATE
2019/05/10
GRANT DATE
2022/04/21
EXPIRATION DATE
2039/05/10
PATENT HOLDER
国立研究開発法人物質・材料研究機構
Examination History
2020年08月04日
出願審査請求書
2020年10月26日
手続補正書（自発・内容）
2021年08月24日
拒絶理由通知書
2021年10月19日
手続補正書（自発・内容）
2021年10月19日
意見書
2022年03月29日
特許査定