Market Context — Why This Technology, Why Now

The accelerating adoption of digital health solutions and wearable technology is creating immense pressure for more accessible and continuous physiological monitoring. Regulatory bodies are increasingly supporting remote care models, while competitive dynamics demand innovative, user-centric devices that integrate seamlessly into daily life. This technology aligns perfectly with these trends, offering a non-invasive, comfortable solution for muscle activity tracking, essential for personalized rehabilitation, athletic performance optimization, and proactive health management across diverse global markets.

Key Competitive Advantages
01

Simplifies operation, requiring zero specialized expertise for attachment and measurement, reducing professional burden by an estimated ~30%.

02

Ensures high wearing comfort, allowing continuous data acquisition for extended periods with minimal discomfort, enhancing daily usability by over 50% compared to rigid devices.

03

Delivers stable, low-noise EMG signals, improving data reliability by ~40% even during body movement, enabling precise analysis.

Market Opportunity
Rehabilitation Medicine
$300M–$400M globally (AI est.)
Increasing rehabilitation needs due to aging populations and the promotion of home-based rehabilitation are driving demand for continuous EMG monitoring.
Medical device manufacturers for rehabilitation Telehealth platform providers Home care service integrators
Sports and Fitness
$150M–$250M globally (AI est.)
The need for objective muscle activity data is expanding for enhancing athlete performance and guiding efficient training for general users. There is a particular demand for easy measurement through wearable devices.
Sports equipment manufacturers Wearable fitness tech companies Professional sports analytics firms
Elderly Monitoring and Care
$100M–$200M globally (AI est.)
This technology is expected to contribute to improving the quality of life for the elderly and reducing caregiver burden through early detection of fall risks and monitoring daily activity levels.
Smart home device developers Assisted living technology providers Geriatric care solution companies
General Health Management and Preventative Care
$300M–$400M globally (AI est.)
With rising health consciousness and the widespread adoption of wearable devices, there is a growing need to routinely understand one's physical condition for health maintenance and promotion.
Consumer electronics companies Digital health app developers Corporate wellness program providers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent robustly protects the integrated structure of a stretchable substrate with electrodes and a stretchable circuit board, covering its technical features across 12 claims. Its patentability was firmly established through precise responses to examiner objections, indicating high validity and resistance to invalidation.

Competitive White Space

This patent primarily protects the physical structure and signal acquisition of the stretchable EMG device. White space exists in developing advanced AI-driven diagnostic algorithms, integrating with other biometric sensors for holistic health monitoring, or creating specific therapeutic feedback systems.

Economic Impact
~$10M/year estimated healthcare cost reduction (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Reducing the need for monthly expert EMG measurements: Assuming a cost of ~$33.50/measurement (AI est.), this saves ~$400/person annually (AI est.). If 1% of the estimated 2.5 million potential rehabilitation patients (based on Ministry of Health, Labour and Welfare statistics) utilize this technology, the total annual cost reduction could reach ~$10M (AI est.) ($400/person × 25,000 people).

Speed to Market
6× faster than in-house development
This patent, developed by RIKEN, indicates that fundamental research and technical validation are already complete. The basic design for integrating the stretchable substrate, electrodes, and circuit board is clearly defined within the patent, allowing for rapid transition to prototype development and demonstration experiments. By combining existing flexible electronics manufacturing technologies and wearable device development expertise, it is estimated that market entry can be accelerated by approximately 2.5 years compared to developing from scratch in-house.
Competitive Positioning

X: Wearing Comfort & Body Conformity
Y: Data Accuracy & Operational Ease

Business Models & Applications
📱 Device Sales Model
Directly sell the stretchable EMG device to medical institutions, rehabilitation facilities, sports gyms, and general consumers. Establish a brand as a high-performance, user-friendly device to capture market share.
☁️ SaaS Data Analytics Service
Offer a subscription service that analyzes EMG data acquired by the device in the cloud, providing reports on individual exercise capability, rehabilitation progress management, and training optimization.
🤝 Technology Licensing Model
License this patented technology to other companies for integration into existing healthcare products or wearable devices, generating royalty income. This promotes widespread technology adoption across various industries.
Adjacent Application Opportunities
👵 Elderly Care & Monitoring
Fall Risk Prediction & Posture Correction Device
Continuously monitors lower limb muscle activity in the elderly to detect early signs of muscle weakness or balance issues leading to falls. AI-driven data analysis predicts risks and prompts appropriate exercise or posture correction, contributing to improved QOL and reduced caregiver burden by up to 20%.
🏃 Sports & Fitness
Personalized Training & Coaching System
Acquires and analyzes muscle activity data from athletes and general users in real-time, automatically generating optimal training programs tailored to individual physical characteristics. This wearable device could prevent overtraining and support efficient muscle gain, potentially improving performance by 15-20%.
🏥 Remote Rehabilitation
Home-Based Rehabilitation Support System
Patients can wear this device at home to perform rehabilitation exercises provided by medical institutions, transmitting muscle activity data to doctors and physical therapists. Remote monitoring of progress and precise feedback could enhance rehabilitation adherence by ~30% and improve outcomes.
Integration Roadmap — Estimated 18-Month Deployment
Phase 1: Technology Evaluation & Prototype Development
Duration: 4 months
Conduct detailed evaluation of the patented technology and assess compatibility with the licensee's existing technologies and product lines. Simultaneously, initiate design and development of an initial prototype tailored to target use cases.
Phase 2: Demonstration & Product Design
Duration: 8 months
Perform demonstration experiments with the developed prototype in limited environments to identify technical challenges and evaluate performance. Based on these results, proceed with product design and manufacturing process optimization for mass production.
Phase 3: Mass Production & Market Launch
Duration: 6 months
Finalize product specifications, establish the supply chain and mass production system. Execute market launch plans based on marketing strategy while advancing regulatory approval processes, aiming for product release.
Technical Feasibility
This technology features a structure integrating a stretchable substrate, electrodes, and a stretchable circuit board. This design has high compatibility with existing flexible printed circuit (FPC) manufacturing technologies and material technologies used in wearable sensors. The patent claims clearly describe the electrical connection between the electrodes and the circuit board through openings in the substrate, suggesting low technical hurdles for integration into existing manufacturing processes. Furthermore, the use of general-purpose electronic components is expected to enable efficient implementation while minimizing new capital investment.
Success Scenario
If this technology is adopted, patients undergoing rehabilitation could easily record their muscle activity data daily at home. This is estimated to optimize hospital visit frequency and reduce patient burden. Furthermore, doctors and physical therapists could continuously monitor patients' real-life muscle activity data, enabling the creation of more personalized treatment plans and objective evaluation of rehabilitation effectiveness.
Patent Record
APPLICATION NO.
特願2020-513469
REGISTRATION NO.
7393003
FILING DATE
2019/04/12
GRANT DATE
2023/11/28
EXPIRATION DATE
2039/04/12
PATENT HOLDER
国立研究開発法人理化学研究所
Examination History
2022年04月04日
出願審査請求書
2023年04月18日
拒絶理由通知書
2023年08月10日
意見書
2023年08月10日
手続補正書（自発・内容）
2023年10月24日
特許査定