Market Context — Why This Technology, Why Now

The global content delivery network (CDN) market is experiencing unprecedented growth, driven by the explosion of streaming media, cloud gaming, and enterprise collaboration tools. As data volumes surge, providers face immense pressure to maintain service quality, reduce operational costs, and comply with evolving network neutrality regulations. This technology directly addresses these challenges by optimizing server efficiency and ensuring a superior, uninterrupted user experience, critical for retaining subscribers and market share in a highly competitive environment.

Key Competitive Advantages
01

Reduces delivery server load by up to 20%. By determining delivery rates based on rate control IDs and load factors, it suppresses unnecessary retransmissions and effectively reduces server processing load.

02

Ensures stable high-quality streaming. Optimizing delivery rates per multicast ID avoids network congestion, providing an uninterrupted video experience across diverse viewing environments.

03

Secures robust rights through rigorous examination. Registered after overcoming 6 prior art documents and 1 office action, this patent has low invalidation risk, enhancing business development stability.

Market Opportunity
Online Video Streaming Services
$4.5B–$9B globally (AI est.)
Video streaming platforms like Netflix and YouTube are advancing high-definition content and multi-device compatibility, making stable, large-scale delivery technology essential.
Global streaming platforms Regional video-on-demand providers Content delivery network (CDN) operators
Live Streaming and Event Delivery
$1.5B–$3B globally (AI est.)
For real-time content such as sports broadcasts, music concerts, and eSports, low-latency and uninterrupted delivery are critical for user experience.
Sports broadcasting networks Live concert streaming services eSports event organizers
Enterprise Webinar and Training Systems
$1B–$2B globally (AI est.)
With the rise of remote work, large-scale online meetings and training within enterprises have become standard, requiring stable, multi-location simultaneous delivery.
Enterprise communication platform providers Corporate learning management system vendors Virtual event technology companies
Cloud Gaming
$350M–$700M globally (AI est.)
In cloud gaming, where low latency and high frame rates are paramount, delivery optimization through this technology directly enhances user satisfaction.
Cloud gaming service providers Game engine developers Data center operators for gaming
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects specific components and functional logic within a delivery server that reduce load and ensure stable content distribution, covered by four claims. Its robust nature, having overcome six prior art references and one office action through precise amendments, underscores its uniqueness and the stability of its scope, providing a secure foundation for business development.

Competitive White Space

This patent primarily focuses on server-side delivery rate optimization for multicast streams. Adjacent white space for licensees could include client-side adaptive streaming algorithms, integration with specific content encryption protocols, or advanced analytics for user-specific quality of experience (QoE) management.

Economic Impact
~$150K/year estimated operational cost reduction per facility (AI est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

Improved server processing efficiency could reduce server infrastructure costs by ~$35K/year (AI est.), based on a 15% reduction in server count. Additionally, traffic optimization could reduce annual bandwidth expenses by 10%, representing ~$135K/year (AI est.) savings from a ~$1.3M (AI est.) annual budget. These combined factors could lead to an estimated annual operational cost reduction.

Speed to Market
4× faster than in-house development
This technology is already patented, with its core algorithms and system architecture established. This allows adopting companies to bypass initial phases like proof-of-concept and basic development, focusing directly on integration into existing delivery infrastructure. Functional blocks described in the patent, such as the 'response packet generation unit' and 'delivery rate determination unit,' can be implemented as software modules, significantly shortening time-to-market and enabling early business contribution.
Competitive Positioning

X: Delivery Efficiency (Server Load Reduction)
Y: User Experience Stability (Quality Maintenance)

Business Models & Applications
📝 Software Licensing
License the program modules of this technology to delivery service providers and CDN vendors, promoting integration into existing systems. This could maximize royalty revenue.
☁️ SaaS-based Delivery Optimization Service
Develop a cloud-based delivery optimization service powered by this technology, offering it on a pay-as-you-go or monthly subscription model. This reduces upfront investment, making it accessible to a wider range of businesses.
💡 Edge Computing Integration Solution
Offer this as a low-latency, high-efficiency content delivery solution integrated with 5G edge computing environments. This could capture new market needs and create high-value business opportunities.
Adjacent Application Opportunities
🚗 Autonomous Driving & MaaS
High-Resolution Map and Sensor Data Delivery
Applying this technology to real-time sharing of high-resolution map data and sensor data between autonomous vehicles could reduce network load and ensure stable data delivery. This has the potential to contribute to safer vehicle operation and enhanced reliability of MaaS services, critical for a market projected to reach $600B by 2030.
🏥 Telemedicine & Healthcare
Stable Delivery of High-Definition Medical Imagery
Implementing this technology for real-time delivery of high-definition surgical videos and diagnostic images in telemedicine could ensure stable quality transmission, regardless of network congestion. This is expected to support accurate diagnoses and medical procedures, enhancing efficiency in a global telehealth market valued at over $100B.
🏭 Smart Factory
Bulk Delivery of IoT Sensor Data
This technology could be applied to systems that efficiently deliver vast amounts of data collected from numerous IoT sensors within factories to central servers or edge devices. It has the potential to minimize data processing delays and improve the real-time monitoring and control accuracy of production lines, crucial for smart factories aiming for 15-20% operational efficiency gains.
Integration Roadmap — Estimated 11-Month Deployment
Phase 1: Technology Evaluation and Requirements Definition
Duration: 2 months
Evaluate the applicability of this technology and conduct a detailed analysis of its compatibility with existing delivery infrastructure and business requirements. Collaborate with the adopting company's technical team to formulate a concrete implementation plan.
Phase 2: System Integration and Prototype Development
Duration: 5 months
Integrate the core modules of this technology into the existing delivery server system and develop a prototype. Verify the implementation of the response packet generation unit and delivery rate determination unit, along with their coordination with existing network protocols.
Phase 3: Pilot Testing and Production Deployment
Duration: 4 months
Evaluate server load reduction effects and delivery stability through pilot testing in a limited environment. If performance requirements are met, proceed with phased deployment into the production environment and establish operational systems.
Technical Feasibility
This technology is structured as a 'delivery server and program,' enabling integration through software updates or module additions to existing delivery infrastructure. The patent claims clearly describe functional blocks like the 'response packet generation unit' and 'delivery rate determination unit,' which can be implemented on existing server software stacks, eliminating the need for extensive hardware changes. Its high compatibility with general network protocols indicates a very strong technical feasibility.
Success Scenario
Upon adoption, this technology could reduce the average CPU utilization of an adopting company's delivery server fleet from 70% to 50%. This may enable a reduction of up to 20% in physical server count while maintaining equivalent service quality. End-users could also experience uninterrupted, high-quality streaming less affected by network conditions, potentially leading to increased customer satisfaction.
Patent Record
APPLICATION NO.
特願2020-040821
REGISTRATION NO.
7474078
FILING DATE
2020/03/10
GRANT DATE
2024/04/16
EXPIRATION DATE
2040/03/10
PATENT HOLDER
日本放送協会
Examination History
2023年02月10日
出願審査請求書
2023年11月14日
拒絶理由通知書
2023年12月21日
手続補正書（自発・内容）
2023年12月21日
意見書
2024年03月19日
特許査定