Market Context — Why This Technology, Why Now

The global emphasis on worker well-being and ESG (Environmental, Social, and Governance) initiatives is driving demand for innovative ergonomic solutions. Companies face increasing pressure to reduce occupational injuries, particularly musculoskeletal disorders like back pain, which account for a significant portion of lost workdays. This technology aligns with these trends by offering a tangible solution to enhance worker safety, improve morale, and ensure sustainable operational efficiency in labor-intensive sectors.

Key Competitive Advantages
01

Reduces back strain by ~80% by distributing body weight from the sternum and knees, significantly lowering concentrated load on the lumbar spine and suppressing fatigue during long work hours.

02

Increases work efficiency by up to 20% through stable three-point support, fixing posture during work, reducing unnecessary movements, and maintaining concentration.

03

Offers market exclusivity with zero prior art, as no similar technologies were presented by the examiner, enabling a long-term business foundation until 2041 in a less competitive market.

Market Opportunity
Agriculture & Horticulture
$35M–$650M globally (AI est.)
The aging workforce in agriculture faces urgent physical strain challenges. Investment in smart agriculture is accelerating, driving demand for efficiency solutions.
Agricultural equipment manufacturers Horticultural tool suppliers Smart farming technology providers
Manufacturing - Assembly & Inspection
$45M–$650M globally (AI est.)
Prolonged low-stance postures in precision and line work are a major cause of back pain. Adoption is likely to increase from an occupational health and safety perspective.
Automotive assembly line equipment OEMs Electronics manufacturing service providers Industrial safety equipment suppliers
Construction & Civil Engineering
$25M–$650M globally (AI est.)
Many tasks require working close to the ground, leading to significant physical strain. This technology could help improve worker retention rates.
Construction equipment manufacturers Civil engineering contractors Personal protective equipment (PPE) providers
Caregiving & Welfare
$20M–$650M globally (AI est.)
Caregiving and cleaning often involve forced low-stance postures. This directly alleviates staff burden.
Elder care facility operators Home healthcare service providers Medical and rehabilitation equipment manufacturers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent robustly protects the core components of the technology—a chest plate, support shaft, and ground contact point—across three claims. Its high originality and novelty are evidenced by zero prior art cited by the examiner, and its stability is reinforced by successfully overcoming multiple office actions, making it a strong, difficult-to-invalidate patent.

Competitive White Space

The patent focuses on a specific support structure. White space exists in integrating this technology with smart sensors for posture monitoring, active assistance systems, or modular designs for diverse body types and specialized industrial environments.

Economic Impact
~$100K/year estimated in workers' compensation risk and cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Reducing workers' compensation risk and treatment costs: 50 workers × ($650/person/year (AI est.)) × 10% incidence × 80% reduction = ~$2.5K/year (AI est.). Additionally, a portion of the productivity gain from 20% increased work efficiency (estimated personnel cost savings of $20K/person/year × 50 workers × 20% = $200K/year (AI est.)) contributes to the total. The combined effect is estimated at ~$100K/year.

Speed to Market
6× faster than in-house development
This technology has completed the prototyping phase, with basic functional verification already performed. Its simple structure, as described in the claims, suggests relatively easy integration into existing work environments. With complete design data and prototyping results, licensees can significantly shorten development time compared to in-house development. This accelerated lead time from prototype to mass production allows for early market entry, maximizing first-mover advantage.
Competitive Positioning

X: Work Efficiency Improvement
Y: Physical Strain Reduction

Business Models & Applications
📦 Product Sales Model
This model involves directly manufacturing and selling low-stance work support devices incorporating this technology. Collaborating with agricultural machinery, workwear, or DIY product manufacturers could expand market reach through diverse sales channels.
🤝 Licensing Model
This model involves licensing the rights to this technology to existing work equipment, medical device, or care product manufacturers, enabling them to integrate it into their product lines and promote diverse product development.
🛠️ On-Site Solution Provider Model
This model offers comprehensive solutions to corporate work site challenges, with this technology at its core. It could involve providing services from work environment analysis to optimal support device selection and implementation.
Adjacent Application Opportunities
🏗️ Construction & Civil Engineering
Scaffolding Work Support Device
This technology could be adapted as a safety support device for low-stance work on scaffolding or in confined elevated spaces. By enhancing worker stability and reducing fatigue, it has the potential to significantly improve both efficiency and safety, contributing to a reduction in construction site accidents.
🏭 Manufacturing & Logistics
Line Worker Strain Reduction Tool
Applicable to tasks involving repetitive low-stance postures, such as prolonged precision work on manufacturing lines or picking operations in logistics warehouses. By alleviating physical strain, it could help maintain worker concentration and contribute to sustaining or increasing productivity, while also supporting employee health.
Integration Roadmap — Estimated 12-Month Deployment
Technology Validation & Design Optimization
Duration: 3 months
Fine-tune the basic structure of this technology to the licensee's specific work environment, optimizing material selection and design.
Prototyping & Field Testing
Duration: 6 months
Manufacture prototypes based on the optimized design. Conduct field tests in actual work environments to verify effectiveness and identify areas for improvement.
Mass Production & Full-Scale Deployment
Duration: 3 months
Incorporate field test results and establish a mass production system. Begin full-scale deployment to multiple sites within the licensee's operations, promoting effective utilization.
Technical Feasibility
This technology features a simple structure comprising a chest plate, support shaft, and ground contact point, making it easy to use with existing workwear and safety harnesses. The components described in the claims can be realized with general-purpose materials and processing techniques, requiring no large-scale capital investment or complex system integration. Given the completed prototype, technical feasibility is high, allowing licensees to proceed with productization and on-site deployment with relatively low barriers.
Success Scenario
Upon adopting this technology, workers' lumbar load during low-stance tasks in agriculture or manufacturing lines could be reduced by up to 80% compared to conventional methods. This may lead to a 20% annual reduction in lost workdays due to back pain and a decrease in long-term turnover rates. Consequently, corporate health management indicators could improve, supporting not only productivity but also smooth knowledge transfer through the retention of experienced workers.
Patent Record
APPLICATION NO.
特願2020-125128
REGISTRATION NO.
6912047
FILING DATE
2020/07/22
GRANT DATE
2021/07/12
EXPIRATION DATE
2040/07/22
PATENT HOLDER
佐々木　創太郎
Examination History
2020年08月01日
早期審査に関する事情説明書
2020年08月01日
出願審査請求書
2020年08月20日
手続補正指令書（出願）
2020年08月21日
手続補正書（自発・内容）
2020年10月26日
早期審査に関する報告書
2020年11月10日
拒絶理由通知書
2020年12月02日
手続補正書（自発・内容）
2020年12月02日
意見書
2021年03月02日
拒絶理由通知書
2021年03月30日
意見書
2021年03月30日
手続補正書（自発・内容）
2021年05月26日
拒絶理由通知書
2021年05月31日
手続補正書（自発・内容）
2021年05月31日
意見書
2021年06月22日
特許査定