Market Context — Why This Technology, Why Now

The global electronics industry faces dual pressures: increasing performance demands for compact devices and urgent calls for sustainable production. Regulatory bodies and consumer preferences are driving a shift towards greener manufacturing processes, while competitive dynamics reward innovations that reduce both cost and environmental footprint. This technology offers a strategic advantage by aligning with these critical market forces.

Key Competitive Advantages
01

Enables micro-scale high-definition metal wiring, supporting product miniaturization and performance.

02

Reduces harmful chemical use and waste compared to conventional photolithography, supporting ESG compliance.

03

Reduces manufacturing costs by ~66% and shortens lead times by ~20% by simplifying complex processes.

Market Opportunity
Printed Electronics
$35B–$40B globally (AI est.)
Demand is increasing for printed electronic circuits in diverse products such as flexible substrates, sensors, and displays.
Flexible electronics manufacturers Sensor technology developers Display panel producers Advanced materials suppliers
Semiconductor Packaging
$65B–$70B globally (AI est.)
Miniaturization and performance enhancement of semiconductor chips necessitate fine wiring technology within packages. This technology addresses this need with high-definition wiring.
Advanced semiconductor packaging firms OSAT (Outsourced Semiconductor Assembly and Test) providers Integrated device manufacturers (IDMs)
Eco-Conscious Manufacturing
$130B–$135B globally (AI est.)
Rising global ESG investments and stricter environmental regulations make reducing manufacturing process environmental impact directly linked to corporate competitiveness, expanding this market.
Green technology solution providers Electronics manufacturers seeking ESG compliance Chemical and material companies developing sustainable alternatives
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects the core technology of composite particles, specifically the combination of conductive particles and coating particles, across five claims. The successful navigation through multiple office actions with precise arguments and amendments indicates a clear scope of rights and a robust patent with low invalidation risk, establishing its technical superiority.

Competitive White Space

This patent focuses on composite particles and toner for printing. White space could include novel printing apparatus designs, advanced post-processing techniques for printed circuits, or integration with flexible substrate materials beyond the core toner composition.

Economic Impact
~$1.0M/year estimated economic impact per facility (est.).
estimated ROI · USD · AI analysis
ROI Calculation Logic

Transitioning to printed electronics with this technology could significantly reduce investment in expensive photolithography equipment (estimated annual depreciation savings of ~$150K (AI est.)) and labor costs for complex processes (estimated ~$100K/year (AI est.) for 3 operators). A 5% improvement in material yield could save ~$50K/year (AI est.) from an annual material cost of ~$650K (AI est.). This totals an estimated ~$300K/year (AI est.) in direct cost savings. Including reduced opportunity loss from shorter production lead times, the total economic impact could reach ~$1.0M/year (AI est.).

Speed to Market
6× faster than in-house development
This technology is patent-granted, and its basic technical concept has already been validated. The technical structure, combining conductive particles with coating particles, is highly compatible with existing toner manufacturing and powder material coating technologies. This allows for easy application to existing printing processes without significant new capital investment, potentially shortening the period from proof-of-concept to product launch by approximately 2.5 years compared to in-house development.
Competitive Positioning

X: Manufacturing Cost Efficiency
Y: Precision & Environmental Suitability

Business Models & Applications
📝 Product Licensing
A model for granting manufacturing and sales licenses to companies wishing to integrate this technology into their existing printing product lines, enabling rapid market entry and monetization.
🤝 Joint Development & Technical Partnership
A model for jointly optimizing composite particles and toner compositions or printing conditions with a licensee to meet specific application or market needs, aiming to create high-value-added products.
📦 Material Supply Business
A model for directly supplying composite particles or toner based on this technology to electronics component manufacturers or printing companies, enabling stable supply chain establishment and revenue generation.
Adjacent Application Opportunities
💡 Smart Devices
Flexible Displays & Sensors
This technology's high-definition, eco-conscious metal wiring capability is ideal for manufacturing wearable devices, IoT sensors, and flexible displays. It could contribute to thinner, lighter, more durable, and biocompatible sensor development, potentially opening new markets estimated at ~$50B globally.
🚗 Automotive & Mobility
Lightweight Automotive Wiring & ADAS Sensors
The electrification, lightweighting, and advancement of ADAS in vehicles are driving demand for highly reliable, lightweight wiring and sensors. This technology could contribute to miniaturizing and enhancing automotive electronic components, reducing manufacturing costs by ~66%, and lowering environmental impact, supporting future mobility solutions.
🏥 Medical & Healthcare
Biosensors & Medical Wearables
High-definition wiring technology could contribute to the development of compact, high-performance biosensors, implantable medical devices, and medical wearables. The eco-conscious process offers an advantage in meeting medical device manufacturing regulations, potentially improving patient monitoring, diagnostic accuracy, and quality of life for a market exceeding ~$100B.
Integration Roadmap — Estimated 22-Month Deployment
Phase 1: Technical Validation and PoC
Duration: 4 months
Evaluate the applicability of this technology with the licensee's existing printing equipment, set performance targets for specific applications, and conduct a Proof of Concept (PoC).
Phase 2: Prototype Development and Optimization
Duration: 9 months
Based on PoC results, optimize the composition of composite particles and toner, as well as printing conditions. Develop a practical-level prototype and conduct detailed evaluations of reliability and durability.
Phase 3: Mass Production Design and Market Launch
Duration: 9 months
Following prototype evaluation, proceed with design and process establishment for mass production. Develop an implementation plan for manufacturing lines and aim for market launch as a final product.
Technical Feasibility
The configuration of this technology, combining conductive particles with coating particles, is highly compatible with existing toner manufacturing processes and general printing technologies. The composite particle structure described in the patent claims can be realized by applying existing powder material manufacturing and surface coating technologies, likely without requiring significant new capital investment. Its relatively easy integration into existing production lines indicates high technical feasibility.
Success Scenario
Adopting this technology could enable companies to launch next-generation printed electronics products with high-definition metal wiring. This could differentiate products, increase their value, establish a competitive advantage, and potentially boost annual sales by 10-20%. Furthermore, transitioning to eco-conscious manufacturing could attract new customer segments and enhance the overall supply chain's ESG rating.
Patent Record
APPLICATION NO.
特願2020-051534
REGISTRATION NO.
7640063
FILING DATE
2020/03/23
GRANT DATE
2025/02/25
EXPIRATION DATE
2040/03/23
PATENT HOLDER
国立大学法人千葉大学
Examination History
2022年12月14日
出願審査請求書
2023年08月16日
拒絶理由通知書
2023年10月05日
意見書
2023年10月05日
手続補正書（自発・内容）
2024年01月15日
拒絶理由通知書
2024年03月15日
手続補正書（自発・内容）
2024年03月15日
意見書
2024年06月26日
拒絶理由通知書
2024年10月25日
意見書
2024年10月25日
手続補正書（自発・内容）
2025年02月05日
特許査定