Market Context — Why This Technology, Why Now

Aging demographics globally are increasing demand for accessible, hygienic, and low-maintenance facilities in healthcare and public spaces. Simultaneously, rising awareness of infectious disease transmission drives stringent hygiene protocols. Water scarcity and sustainability mandates are pushing industries to adopt radical conservation technologies. This system offers a compelling solution to these converging pressures, enabling facilities to meet evolving regulatory, environmental, and user experience expectations.

Key Competitive Advantages
01

Significantly Enhances Hygiene: Completely prevents splashback during defecation and aerosolized droplet dispersion during standing urination, dramatically reducing infection risk and cleaning burden.

02

Achieves 66% Water Savings: Reduces tap water consumption by approximately 66% compared to conventional flush toilets, contributing to lower utility costs and reduced environmental impact.

03

Reduces User and Caregiver Burden: Features toilet paper-free washing and drying, along with defecation assistance, supporting user independence and reducing caregiver workload.

Market Opportunity
Medical and Nursing Care Facilities
$600M–$700M globally (AI est.)
With increasing users due to aging populations and stringent infection control requirements, this market highly values improved hygiene and reduced caregiver burden, driving strong adoption demand.
Hospital system operators Assisted living and nursing home chains Medical equipment suppliers
Commercial and Public Facilities
$750M–$850M globally (AI est.)
This technology enhances user comfort and significantly reduces utility costs, contributing to cost efficiency and improved customer satisfaction in large-scale facility operations, thereby strengthening competitiveness.
Airport and train station authorities Shopping mall developers and operators Large corporate office building managers
Smart Cities and Offices
$500M–$600M globally (AI est.)
In next-generation urban developments and office environments prioritizing environmental performance and advanced functionality, the superior water efficiency and hygiene aspects of this technology are expected to drive adoption.
Smart city infrastructure developers Green building material suppliers Co-working space providers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects the technology across five claims, enabling diverse business applications. It was granted after thorough examination against eight prior art documents and successfully overcame two office actions with detailed arguments and amendments, indicating a robust and difficult-to-invalidate patent right.

Competitive White Space

This patent focuses on the core suction and splashback prevention mechanisms. White space exists in advanced sensor integration for health monitoring, predictive maintenance, or smart facility management software beyond basic control sequences.

Economic Impact
~$1.0M/year estimated utility and consumables cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

For large-scale facilities (e.g., hospitals, commercial complexes), this technology could reduce water usage by 66%, potentially saving ~$1.0M (AI est.) annually. Additionally, it could eliminate toilet paper costs (estimated ~$150K (AI est.) savings) and reduce cleaning labor due to improved hygiene (estimated ~$350K (AI est.) savings). Overall, an annual cost reduction of ~$1.0M (AI est.) is projected, offering a strong long-term ROI.

Speed to Market
4× faster than in-house development
This technology has already been prototyped, with the basic configuration and suction-based waste discharge sequence established. This is estimated to shorten development time by approximately 3 years compared to developing a similar system from scratch in-house. With proven technical data, early market entry and commercialization are possible, contributing to rapid establishment of competitive advantage.
Competitive Positioning

X: Overall Hygiene Performance
Y: Cost Efficiency

Business Models & Applications
🚽 Toilet System Sales
Sell the suction-assisted flush toilet system with its 'splashback-free, odor-blocking structure' as a product to facilities, leveraging its high functionality, superior hygiene, and water-saving capabilities.
🤝 Technology Licensing
License the core technology to existing toilet manufacturers and housing equipment companies, enabling them to differentiate their product lines and add significant value.
💰 Facility Rental/Subscription
Offer rental or subscription models, including post-installation maintenance, to medical, nursing care, and commercial facilities, ensuring continuous revenue streams.
Adjacent Application Opportunities
👵 介護・見守り
Healthcare Integration with Waste Data
By integrating sensors into the technology's suction and discharge sequence, this system could automatically monitor user health through analysis of waste volume, frequency, and condition. This data could then be linked to caregivers and medical institutions, contributing to preventive medicine and personalized care solutions.
✈️ 航空・船舶
High-Efficiency Toilets for Limited Water Environments
This technology's ultra-water-saving and hygienic features could be adapted for high-efficiency toilet systems in environments with limited water resources, such as aircraft, luxury cruise ships, or RVs. Further lightweighting and space-saving designs could also contribute to reduced operational costs.
🏗️ 建設現場・災害時仮設
Hygienic, Water-Saving Mobile Toilets
Modularizing this technology for temporary toilets at construction sites or during disaster relief could provide an exceptionally hygienic and odor-free sanitation environment. Significant water savings would reduce the burden on water supply and drainage infrastructure, potentially lowering operational costs.
Integration Roadmap — Estimated 18-Month Deployment
Phase 1: Technical Feasibility and Design
Duration: 3 months
Evaluate the technology's compatibility with existing product lines and facility requirements, then develop detailed system designs and implementation plans.
Phase 2: Prototype Development and Validation
Duration: 9 months
Develop a prototype based on the design and conduct validation experiments under conditions close to actual operating environments, testing functionality, hygiene, and water-saving effects.
Phase 3: Manufacturing Setup and Market Launch
Duration: 6 months
Establish mass production capabilities based on validation results, execute product launch and sales strategies for target markets, and commence operations at initial deployment facilities.
Technical Feasibility
This technology has already been prototyped, with its basic configuration comprising a toilet bowl, seat, waste treatment unit, and connecting discharge piping. This modular design has the potential to facilitate relatively easy connection to existing plumbing infrastructure. The complex sequence management via microcontroller is also highly compatible with modern smart home and smart building control technologies, making integration and interoperability with existing control systems technically feasible.
Success Scenario
If this technology is adopted, medical and nursing care facilities could significantly reduce the burden of toileting assistance for users, potentially improving staff operational efficiency. Furthermore, facility-wide water consumption could be reduced by up to 66% annually, leading to substantial reductions in operating costs. This could allow for reallocation of saved resources towards higher-quality care and services, enhancing facility competitiveness and user satisfaction.
Patent Record
APPLICATION NO.
特願2020-106646
REGISTRATION NO.
6943529
FILING DATE
2020/06/21
GRANT DATE
2021/09/13
EXPIRATION DATE
2040/06/21
PATENT HOLDER
若田部　勝
Examination History
2020年08月18日
手続補正書（自発・内容）
2020年08月20日
手続補正書（自発・内容）
2020年09月04日
早期審査に関する事情説明書
2020年09月04日
出願審査請求書
2020年09月22日
手続補正書（自発・内容）
2020年09月23日
手続補正書（自発・内容）
2020年10月04日
手続補正書（自発・内容）
2020年10月06日
手続補正書（自発・内容）
2020年10月06日
早期審査に関する報告書
2020年10月23日
拒絶理由通知書
2021年02月17日
意見書
2021年02月17日
手続補正書（自発・内容）
2021年02月21日
手続補正書（自発・内容）
2021年04月08日
拒絶理由通知書
2021年06月15日
意見書
2021年06月17日
意見書
2021年06月20日
手続補正書（自発・内容）
2021年06月23日
意見書
2021年06月23日
手続補正書（自発・内容）
2021年07月10日
手続補正書（自発・内容）
2021年07月10日
意見書
2021年07月24日
手続補正書（自発・内容）
2021年07月24日
意見書
2021年08月02日
手続補正書（自発・内容）
2021年09月01日
特許査定