Market Context — Why This Technology, Why Now

The global push for sustainability and ESG compliance is driving demand for eco-efficient infrastructure, particularly in high-traffic commercial and public spaces. Simultaneously, stringent public health regulations and consumer expectations for pristine environments necessitate advanced hygiene solutions. This technology offers a compelling answer, enabling organizations to meet environmental targets, reduce operational overhead, and differentiate through superior user experience, all while navigating persistent labor market constraints.

Key Competitive Advantages
01

Reduces water consumption by up to 50% for flushing compared to conventional water-only systems, dramatically cutting water costs in large-scale facilities.

02

Continuously ventilates and dehumidifies the toilet space using a suction mechanism, effectively removing unpleasant odors and moisture to maintain cleanliness and enhance user experience.

03

Constantly suppresses the adhesion of waste and splashes through a combination of foam-layer generation and suction drainage, reducing daily cleaning frequency and effort, contributing to lower maintenance costs and addressing labor shortages.

Market Opportunity
Commercial Facilities & Office Buildings
$150M globally (AI est.)
Large-scale facilities prioritize water cost reduction, improved cleaning efficiency, and enhanced user satisfaction, all of which this technology directly addresses.
Large commercial property developers Facility management service providers Smart building solution integrators
Hospitals & Care Facilities
$100M globally (AI est.)
These environments demand stringent infection control, enhanced hygiene management, and reduced cleaning burden, while also improving comfort for patients and residents.
Healthcare equipment manufacturers Senior care facility operators Medical infrastructure developers
Hotels & Hospitality
$65M globally (AI est.)
This technology offers multi-faceted benefits, including enhanced guest experience, strengthened brand image, reduced operational costs, and contributions to ESG goals.
Global hotel chains Resort developers Hospitality technology providers
Public Transportation (Rail & Marine)
$35M globally (AI est.)
This technology could resolve existing challenges in vacuum-suction toilets and offers potential application as a next-generation model for improved comfort and cleanliness in confined spaces.
Railcar manufacturers Shipbuilders Public transport infrastructure providers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a composite right for a suction-type toilet bowl combining three key functions: suction drainage, ventilation/dehumidification, and foam-layer-based dirt suppression. During the examination process, which cited seven prior art documents, the patentability was established through an opinion and amendment after an initial office action, indicating a robust and difficult-to-invalidate right.

Competitive White Space

This patent primarily covers the integrated suction, ventilation, and foam-layer system within the toilet bowl. White space exists in developing smart sensor integration for predictive maintenance, advanced on-site waste treatment, or modular retrofit solutions for a wider range of existing toilet designs.

Economic Impact
~$100K/year estimated cost savings per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

A 50% reduction in annual toilet water usage (e.g., 1 million liters/year, unit cost $2/m³ (AI est.)) could result in ~$20K/year in water savings (AI est.). Furthermore, a 20% reduction in cleaning staff labor (based on an annual labor cost of ~$35K/person (AI est.)) could yield ~$6.5K/year in efficiency gains (AI est.). For multiple unit installations or large-scale facilities, total annual cost savings are estimated to exceed ~$100K (AI est.).

Speed to Market
6× faster than in-house development
This technology combines the proven principles of vacuum suction, as used in rail transport, with foam-based dirt suppression, integrating them into existing toilet structures. Individual technical elements are already established with abundant validation data, allowing for significant time reduction compared to greenfield development. Safety and durability testing can also leverage existing technical knowledge for efficient verification, enabling rapid market entry.
Competitive Positioning

X: Operational Cost Efficiency
Y: Hygiene Maintenance Performance

Business Models & Applications
🚽 Product Sales Model
Directly sell the suction-type toilet bowl unit to facility managers, construction companies, and developers for commercial facilities, office buildings, hospitals, and hotels.
💧 Lease & Subscription Model
Offer the water-saving and cleaning cost reduction benefits of this technology through a monthly fee, reducing initial investment. This fosters long-term relationships and stable revenue.
🛠️ Maintenance & Consumables Supply
Secure continuous revenue streams and enhance customer satisfaction by providing regular replacement of specialized detergents and parts, along with maintenance services post-installation.
Adjacent Application Opportunities
🚢 Marine & Aviation
High-Efficiency Hygiene for Confined Spaces
In environments with limited water resources and space constraints, such as marine vessels and aircraft, this technology could enable efficient waste drainage with minimal water and maintain high hygiene standards. This has the potential to significantly enhance passenger and crew comfort during long journeys.
🏕️ Disaster Relief & Temporary Housing
Infrastructure-Independent Sanitation Solution
By applying this technology in disaster areas or temporary housing where water and sewage infrastructure is insufficient, a hygienic toilet environment can be provided with minimal water. This could significantly contribute to maintaining public health in challenging conditions.
🏥 Medical & Care Facilities
Reduced Infection Risk & Cleaning Burden
Especially in medical and care facilities where strict hygiene management is critical, this technology could simultaneously reduce infection risks and ease cleaning burdens. It has the potential to improve comfort for patients and elderly residents.
Integration Roadmap — Estimated 20-Month Deployment
Phase 1: Technical Validation & Design
Duration: 4 months
Assess compatibility with existing infrastructure, develop detailed implementation designs, and select necessary components for the target facility.
Phase 2: Prototype Development & Testing
Duration: 7 months
Manufacture prototypes based on the design, conduct performance evaluations and durability tests, and refine the system for practical use.
Phase 3: Pilot Deployment & Market Rollout
Duration: 9 months
Deploy the system at pilot sites to collect operational data and verify effectiveness, followed by a full-scale market launch.
Technical Feasibility
This technology is designed to integrate a suction system and foam-layer generation device into existing toilet structures, achievable with off-the-shelf components and known technical elements. A key advantage is its ability to connect to existing drainage systems without requiring major infrastructure changes. The components described in the patent claims are adaptable from existing technologies, indicating a relatively low technical barrier to implementation.
Success Scenario
Implementing this technology in commercial facilities and office buildings could reduce annual water consumption by up to 50% and potentially decrease cleaning frequency by 20%. This would significantly lower operational costs, freeing up resources for other strategic investments. Furthermore, consistently providing a clean and comfortable restroom environment is expected to enhance user satisfaction and contribute to increased repeat visits.
Patent Record
APPLICATION NO.
特願2023-113622
REGISTRATION NO.
7376864
FILING DATE
2023/07/11
GRANT DATE
2023/10/31
EXPIRATION DATE
2043/07/11
PATENT HOLDER
岡本　應守
Examination History
2023年07月11日
早期審査に関する事情説明書
2023年07月11日
出願審査請求書
2023年08月01日
早期審査に関する通知書
2023年08月08日
拒絶理由通知書
2023年09月14日
意見書
2023年09月14日
手続補正書（自発・内容）
2023年10月10日
特許査定