Market Context — Why This Technology, Why Now

Global regulatory bodies are imposing increasingly strict emissions standards, particularly for internal combustion engines in automotive, marine, and aerospace sectors. This drives urgent demand for technologies that can precisely optimize fuel combustion and reduce environmental impact. Concurrently, the shift towards electrification necessitates maximizing efficiency of hybrid and remaining ICE platforms, while competitive pressures demand faster product development cycles. This technology offers a crucial tool to meet these multifaceted challenges.

Key Competitive Advantages
01

Accurately evaluates both liquid and vapor fuel injection volumes, which was challenging with conventional methods, enabling deeper understanding of combustion mechanisms.

02

Simulates engine cycles in a sealed container with strict temperature and pressure control, ensuring reproducible evaluation results under stable conditions.

03

Accelerates product time-to-market by significantly reducing the development and optimization period for fuel injection control through rapid, high-precision evaluation.

Market Opportunity
Automotive Industry
$15B–$25B globally (AI est.)
Despite the shift towards electrification and stricter fuel efficiency regulations, maximizing internal combustion engine efficiency remains crucial. Precise fuel injection evaluation is a key source of competitive advantage in development.
Major automotive OEMs Tier 1 engine component suppliers Automotive R&D centers
Marine and Ocean Industry
$5B–$8B globally (AI est.)
Strengthening emissions regulations by the International Maritime Organization (IMO) and increasing demand for fuel cost reduction necessitate urgent improvements in large diesel engine efficiency.
Marine engine manufacturers Shipbuilding companies Maritime research institutions
Aerospace Industry
$2.5B–$4.5B globally (AI est.)
Improved fuel efficiency directly translates to reduced operating costs and environmental impact, requiring advanced evaluation for jet engine fuel injection technology.
Aerospace engine manufacturers Aviation MRO providers Defense contractors
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This is a stable right, recognized for patentability against five prior art documents. The patent is broadly and robustly protected by 15 comprehensive and precise claims. The involvement of a strong patent attorney in its prosecution indicates the legal stability and thoroughness of the claims, establishing a clear advantage over prior art.

Competitive White Space

This patent focuses on the evaluation method and apparatus for fuel injection. It leaves white space for developing novel fuel injector designs, real-time adaptive fuel control systems, or advanced manufacturing processes for injector components.

Economic Impact
~$200K/year estimated development cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Assuming annual costs of ~$1M (AI est.) for 5 engineers and test equipment operation in the fuel injection system optimization phase of engine development. By shortening the development period by 20% through this technology's efficient and precise evaluation process, an estimated annual cost reduction of ~$200K (AI est.) could be achieved ($1M × 20%).

Speed to Market
7× faster than in-house development
This technology's principle and steps for fuel injection volume evaluation are clearly defined in the patent specification. The detailed process, from sealed container preparation to measurement and estimation, suggests low technical uncertainty. This allows licensees to transition quickly to the design and implementation phases compared to greenfield R&D, potentially shortening development time by approximately 3 years.
Competitive Positioning

X: Liquid/Vapor Fuel Separation Precision
Y: Development Cycle Reduction Effect

Business Models & Applications
⚙️ Evaluation System Provision
Generate revenue by directly selling fuel injection volume evaluation systems based on this technology to engine manufacturers and research institutions, meeting high-precision evaluation needs.
🔬 Evaluation Service Provision
Establish a new revenue stream by offering fuel injection volume evaluation services using this technology to companies without their own equipment or those with specific evaluation needs.
🤝 Technology Licensing
Granting licenses for this patented technology to engine or component manufacturers, potentially restricted by region or application, could enable broad market expansion and revenue growth.
Adjacent Application Opportunities
🧪 化学・プロセス産業
Precision Fluid Mixing and Reaction Control Evaluation
This technology could be applied to precisely evaluate trace liquid and gas mixing ratios for optimizing chemical reaction processes. This could contribute to improved reaction efficiency and product quality stability, leading to enhanced yields and cost reductions.
💊 医療・製薬
Trace Drug Solution Injection and Spray Volume Evaluation
This technology could be repurposed to accurately evaluate minute drug solution injection or spray volumes for precise drug delivery and inhalant development. This has the potential to contribute to new medical device development that maximizes drug efficacy and reduces side effect risks.
🚀 宇宙・防衛
Rocket Engine Fuel Supply System Evaluation
Rocket engine propulsion efficiency heavily relies on fuel injection precision. Applying this technology to rocket engine fuel supply system evaluation could enable more accurate combustion control, potentially contributing to increased payload capacity and improved orbital insertion accuracy.
Integration Roadmap — Estimated 24-Month Deployment
Phase 1: Proof of Concept & Requirements Definition
Duration: 6 months
Interview licensee's existing evaluation systems and development goals to define the scope and specific requirements for this technology. Conduct a small-scale prototype proof-of-concept to confirm technical suitability.
Phase 2: Prototype Development & Validation
Duration: 12 months
Develop a prototype evaluation apparatus implementing this technology based on defined requirements. Repeatedly perform performance evaluation and accuracy validation using actual engines or target fuel injectors for optimization.
Phase 3: System Integration & Full Operation
Duration: 6 months
Integrate the developed evaluation apparatus into the licensee's existing development and quality control processes. Commence full-scale operation on-site and drive further performance improvement and efficiency through continuous feedback.
Technical Feasibility
This technology is achievable by combining a sealed container capable of mounting a fuel injection valve with general-purpose sensors and control systems for temperature and pressure. The steps outlined in the patent, including container preparation, fuel injection, measurement, liquid fuel injection volume acquisition, and vapor fuel injection volume estimation, can be implemented using existing engine testing equipment and measurement technologies. This suggests low necessity for large-scale new equipment investment, and integration into existing fuel injection evaluation lines is expected to be relatively smooth.
Success Scenario
Upon adopting this technology, licensees could gain a more detailed understanding of fuel injection behavior from the early stages of engine development. This is estimated to shorten the development period for fuel efficiency optimization by up to 20% and significantly reduce time-to-market. Furthermore, it could enhance product quality stability, contributing to increased customer satisfaction and reduced warranty costs.
Patent Record
APPLICATION NO.
特願2021-155798
REGISTRATION NO.
7706748
FILING DATE
2021/09/24
GRANT DATE
2025/07/04
EXPIRATION DATE
2041/09/24
PATENT HOLDER
国立研究開発法人　海上・港湾・航空技術研究所
Examination History
2024年07月22日
出願審査請求書
2025年06月10日
特許査定