Market Context — Why This Technology, Why Now

The accelerating global transition to electric vehicles (EVs) and the rapid expansion of IoT devices are driving unprecedented demand for advanced battery technology. Consumers and industries require longer range, faster charging, and extended battery life. Regulatory pressures for reduced carbon emissions further amplify the need for high-performance, sustainable energy storage solutions, creating a significant market opportunity for innovations that overcome current battery limitations.

Key Competitive Advantages
01

Increases battery specific capacity by ~1.5x compared to conventional graphite-based anode materials, utilizing a silicon composite and specialized surface modification technology.

02

Extends cycle life by ~2x by suppressing film formation and pulverization during initial charging, and preventing poor contact with conductive additives, through a self-assembled monolayer.

03

Establishes a robust and stable IP foundation, resistant to invalidation, having overcome two office actions and strict comparison with eight prior art documents during examination.

Market Opportunity
Electric Vehicles (EVs)
$33.5B globally (AI est.)
With the accelerating adoption of EVs, there is a critical demand for extended driving range, faster charging, and improved battery longevity. This technology directly addresses these needs, offering a significant competitive advantage.
Major automotive OEMs EV battery manufacturers Electric vehicle component suppliers
Portable Electronic Devices
$20B globally (AI est.)
As smartphones, laptops, and wearable devices become more sophisticated, compact, lightweight, and long-lasting batteries are essential. This technology could contribute to product differentiation and enhanced user experience.
Smartphone and laptop manufacturers Wearable device developers Consumer electronics battery suppliers
Stationary Energy Storage (ESS)
$13.5B globally (AI est.)
The expansion of renewable energy sources and the need for grid stabilization are driving a surge in demand for long-life, reliable, high-capacity stationary storage batteries. This technology could significantly enhance performance in this sector.
Grid-scale energy storage providers Renewable energy system integrators Industrial battery solution providers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent establishes a strong protection scope for a secondary battery anode active material, specifically detailing its composition including a silicon composite, a self-assembled monolayer, and a carbon compound. The claims were rigorously examined against eight prior art documents and successfully overcame two office actions, indicating a robust and stable right.

Competitive White Space

This patent focuses on the specific anode material composition and surface modification. White space exists in optimizing electrode manufacturing processes, developing novel electrolyte formulations compatible with this anode, or integrating it into advanced battery pack designs for specific applications.

Economic Impact
~$1.5M/year estimated profit improvement per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

This technology could extend secondary battery cycle life by ~2x, potentially halving EV battery replacement frequency and significantly reducing maintenance costs. For example, if 100,000 EVs are shipped annually, with a battery replacement cost of ~$1,650 (AI est.) per unit, extending battery life from 5 to 10 years could yield a market-wide cost reduction potential of ~$80M (AI est.) annually ($1,650/unit × 100,000 units × 50%). Licensees could achieve an estimated ~$1.5M (AI est.) in annual profit improvement through material cost optimization and product differentiation.

Speed to Market
3× faster than in-house development
This technology is a research outcome from Shinshu University, with fundamental materials science research and validation largely completed. Detailed knowledge regarding anode active material design and manufacturing processes is thoroughly described in the patent, and algorithms are established. This significantly shortens the time to market compared to in-house development from scratch. As it primarily involves material substitution into existing battery manufacturing processes, early adoption is possible without extensive capital investment.
Competitive Positioning

X: Energy Density (Wh/kg)
Y: Cycle Life (Cycles)

Business Models & Applications
📝 Material Licensing
A model for generating royalty income by licensing the manufacturing and sales rights of this anode active material. Collaboration with existing battery and material manufacturers is envisioned.
🤝 Joint Development & JV Establishment
A model to jointly develop next-generation batteries utilizing this technology with a licensee, opening new markets. This maximizes technological synergy and accelerates market entry.
🔋 Application in High-Performance Battery Products
A model to manufacture and sell high-performance secondary battery cells or battery packs incorporating this anode active material. Direct supply to EV and IoT device manufacturers is possible.
Adjacent Application Opportunities
🚗 EV・モビリティ
High-Performance Batteries for EVs
Applying this technology to EV batteries could significantly extend driving range and improve battery longevity. By reducing reliance on charging infrastructure and enhancing user convenience, it has the potential to establish a competitive advantage in the EV market, potentially increasing vehicle range by over 30%.
✈️ ドローン・航空
Lightweight, High-Power Batteries for Industrial Drones
This technology could be applied to industrial drones and eVTOL (electric vertical takeoff and landing) aircraft as lightweight, high-power, and long-life batteries. It could contribute to extended flight times and increased payload capacity, creating new value in logistics, surveying, and inspection sectors, potentially doubling operational duration.
🏥 医療機器
Compact, Long-Life Power for Wearable Medical Devices
Miniaturization and extended lifespan are critical for wearable and implantable medical devices. Applying this technology could reduce charging frequency and patient burden while improving device reliability, potentially extending device operational life by ~2x without recharging.
Integration Roadmap — Estimated 24-Month Deployment
Phase 1: Material Evaluation & Basic Design
Duration: 6 months
Receive samples of the anode active material, evaluate its compatibility with the licensee's existing battery cells, and conduct basic performance verification. Simultaneously, initiate preliminary design for material formulation and process conditions for mass production.
Phase 2: Prototype Development & Optimization
Duration: 9 months
Based on evaluation results, optimize the anode active material formulation to meet the licensee's product requirements and produce small-scale prototype cells. Conduct charge/discharge cycle tests and safety evaluations to verify performance and refine for practical application.
Phase 3: Mass Production Process & Commercialization
Duration: 9 months
Establish the mass production process for the optimized anode active material and validate its integration into existing manufacturing lines. After clearing final product reliability tests, prepare for market launch and deploy as a next-generation battery product.
Technical Feasibility
This technology, an anode active material for secondary batteries, primarily involves material replacement within existing battery manufacturing processes (e.g., electrode fabrication, cell assembly). The patent claims specify the material composition, suggesting that significant modifications to existing production equipment are not required. Relatively smooth integration is expected through optimization of material selection and formulation. Fundamental scientific validation has been completed by Shinshu University.
Success Scenario
Implementing this technology could extend EV driving range by over 30% compared to current levels, significantly reducing user charging anxiety. For portable devices, charging frequency could be halved, enhancing product competitiveness. This differentiation could enable licensees to attract new customer segments and potentially expand market share by over 10%.
Patent Record
APPLICATION NO.
特願2020-557663
REGISTRATION NO.
7313700
FILING DATE
2019/11/22
GRANT DATE
2023/07/14
EXPIRATION DATE
2039/11/22
PATENT HOLDER
国立大学法人信州大学
Examination History
2021年05月06日
手続補正書（自発・内容）
2021年08月04日
出願審査請求書
2022年08月30日
拒絶理由通知書
2022年10月31日
意見書
2022年10月31日
手続補正書（自発・内容）
2023年02月07日
拒絶理由通知書
2023年03月14日
手続補正書（自発・内容）
2023年03月14日
意見書
2023年06月27日
特許査定