Market Context — Why This Technology, Why Now

The global shift towards automation, miniaturization, and human-robot collaboration is accelerating demand for advanced actuators. Industries are seeking solutions that offer greater flexibility, lower power consumption, and enhanced safety for delicate applications. This technology directly addresses these market forces, enabling the development of more adaptable and efficient systems, crucial for maintaining competitive edge in rapidly evolving sectors like healthcare and consumer electronics.

Key Competitive Advantages
01

Reduces drive voltage by 10x, enabling operation at few V/µm compared to hundreds V/µm for conventional dielectric actuators. This facilitates integration into small, battery-powered devices and enhances safety.

02

Achieves 1.5x stretch ratio, enabling smooth, large displacements previously difficult with rigid actuators due to the gel sheet's creep action. This significantly expands applications in soft robotics and haptic feedback.

03

Secures strong patent protection, overcoming 13 prior art references to establish clear uniqueness. This technology has the potential to replace existing products and serve as a strong market differentiator.

Market Opportunity
Soft Robotics
$6.5B–$7B globally (AI est.)
Addressing labor shortages, replacing hazardous tasks, and meeting surging demand for human-collaborative robots. This technology enables delicate tasks with flexible movements.
Industrial soft robotics manufacturers Collaborative robot developers Advanced manufacturing automation providers
Wearable Devices
$5.5B–$6B globally (AI est.)
Small, lightweight, low-power actuators are essential for next-generation haptic feedback systems and assistive wearable devices.
Consumer electronics OEMs (wearables) Haptic feedback technology developers Smart textile and apparel companies
Medical and Healthcare Equipment
$3.5B–$4B globally (AI est.)
Expected applications in surgical assistance robots and rehabilitation equipment, requiring precise, gentle movements for human interaction.
Medical device manufacturers Rehabilitation equipment developers Surgical robotics companies
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a dielectric actuator that uses a gel sheet made of a dielectric material exhibiting creep action, positioned between flexible electrodes on a sheet-like dielectric. This specific combination of material properties and structure enables low-voltage driving and high stretchability, securing a robust claim that overcame three office actions and 13 prior art references.

Competitive White Space

This patent primarily protects the specific gel sheet material and structure for low-voltage dielectric actuators. White space exists in advanced control algorithms for complex multi-actuator systems, novel electrode materials for enhanced durability, or integration methods with AI for adaptive motion in soft robotics.

Economic Impact
~$350K/year estimated operational cost savings per facility, plus a 20% reduction in development time (est.).
estimated ROI · USD · AI analysis
ROI Calculation Logic

Adopting this technology for industrial robot actuators could reduce annual power consumption by ~30% compared to conventional electromagnetic motors, potentially saving ~$350K/year (AI est.) in factory-wide electricity costs. Furthermore, the high stretch and flexibility of the gel sheet simplify complex mechanical designs, estimated to shorten product development time by ~20%.

Speed to Market
8× faster than in-house development
Developing dielectric actuators from scratch, including material optimization for low-voltage gel sheets and electrode bonding, typically requires extensive R&D and trial-and-error, potentially taking 4 years for in-house development. Licensing this technology allows companies to bypass fundamental R&D phases, leveraging an established, patented technical foundation. This could significantly shorten time-to-market to approximately 6 months, accelerating product launch and reducing development costs.
Competitive Positioning

X: Drive Efficiency and Safety
Y: Flexibility and Application Range

Business Models & Applications
🤝 Technology Licensing
Licensees can integrate this technology into existing product lines or use it as a foundation for new ventures. Royalty agreements allow for innovative product development with reduced upfront investment.
💡 Joint Development Partnership
Given the broad applicability of this technology, joint development can optimize material properties and drive mechanisms to meet specific licensee needs, co-creating specialized products for target markets.
⚙️ Actuator Module Supply
Providing this technology as an integrated dielectric actuator module allows licensees to incorporate it as a key component in their products, saving development resources and adding significant product value.
Adjacent Application Opportunities
🏥 Medical and Healthcare
Rehabilitation Assistive Devices
This flexible, low-voltage actuator could be adapted for wearable assistive devices to support muscle strength or joint range-of-motion training. It could smoothly assist user movements, potentially maximizing rehabilitation effectiveness without added burden.
🎮 Haptics, VR/AR
High-Definition Haptic Feedback Devices
Integrating this actuator into VR/AR gloves or suits could enable real-time, high-definition reproduction of subtle textures and pressures when interacting with virtual objects. This has the potential to dramatically enhance immersion and create new user experiences.
✈️ Aerospace and Drones
Morphing Wings and Attitude Control Systems
Embedding this actuator into the wing surfaces of drones or small aircraft could allow for subtle changes in wing shape during flight. This could optimize aerodynamic drag, potentially improving fuel efficiency, reducing noise, and enabling more agile attitude control.
Integration Roadmap — Estimated 18-Month Deployment
Phase 1: Technology Evaluation and Validation
Duration: 3 months
Evaluate the basic characteristics of this technology, verify technical compatibility with the licensee's existing systems, and explore initial application possibilities.
Phase 2: Prototype Development and Optimization
Duration: 6 months
Develop a prototype integrating this technology for a specific application. This includes optimizing material selection, adjusting control systems, and conducting performance tests.
Phase 3: Mass Production Design and Market Launch
Duration: 9 months
Based on prototype insights, proceed with design for mass production, establish manufacturing processes, build quality control systems, and aim for market introduction.
Technical Feasibility
This technology, comprising a sheet-like dielectric gel and flexible electrodes, offers high compatibility with existing manufacturing processes. It could leverage common techniques like thin-film formation and roll-to-roll processing. The interface with current control systems is relatively simple, enabling rapid integration into existing products or new developments without significant capital investment.
Success Scenario
Adopting this technology could enable companies to develop soft robotic products with more natural, human-like movements, which are not achievable with conventional rigid actuators. This could differentiate products, enhance market competitiveness, and attract new customer segments. For instance, haptic feedback in care robots could improve, potentially increasing user satisfaction by an estimated 20%.
Patent Record
APPLICATION NO.
特願2020-211375
REGISTRATION NO.
7261424
FILING DATE
2020/12/21
GRANT DATE
2023/04/12
EXPIRATION DATE
2040/12/21
PATENT HOLDER
国立大学法人信州大学
Examination History
2020年12月25日
出願審査請求書
2021年11月24日
拒絶理由通知書
2021年12月21日
手続補正書（自発・内容）
2021年12月21日
意見書
2022年05月23日
拒絶理由通知書
2022年06月24日
意見書
2022年11月02日
拒絶理由通知書
2022年12月05日
手続補正書（自発・内容）
2022年12月05日
意見書
2023年03月31日
特許査定