Market Context — Why This Technology, Why Now

Global data traffic and connected device proliferation are pushing optical communication systems to their limits, demanding higher bandwidth and energy efficiency. Precision manufacturing and autonomous systems require compact, stable light sources for advanced sensing and metrology. This technology offers a timely solution, aligning with industry pressures to innovate, reduce operational costs, and minimize environmental footprint.

Key Competitive Advantages
01

Significantly reduces system volume compared to conventional optical pulse generators, enabling integration into embedded devices and space-constrained environments.

02

Generates optical frequency combs with free spectral ranges over 100GHz, potentially boosting data communication speeds for next-generation networks.

03

Stably maintains anomalous dispersion across the entire operating wavelength band, enhancing optical frequency comb stability for high-precision measurement and spectroscopy.

Market Opportunity
5G/6G Communication Infrastructure
$5B–$10B globally (AI est.)
High-frequency comb light sources are essential for optical networks enabling high-speed, high-capacity communication, ensuring significant market expansion.
Global telecom equipment manufacturers Next-gen network infrastructure providers Optical component suppliers for 5G/6G
Data Centers
$5B–$10B globally (AI est.)
With the explosive growth in data processing, accelerating optical interconnects and reducing power consumption are urgent challenges this technology could address.
Hyperscale data center operators Optical transceiver manufacturers Server and network equipment OEMs
High-Precision Measurement & Sensing
$2.5B–$5B globally (AI est.)
Various industrial sectors require higher precision in applications like spectroscopy, distance measurement, and time synchronization, driving the adoption of optical frequency combs.
Industrial sensor manufacturers Scientific instrument developers Metrology equipment suppliers
IP Defensibility — Why Competitors Can't Replicate This
What This Patent Covers

This patent protects a whispering gallery mode optical resonator with a specific trapezoidal cross-section and defined size parameters, enabling miniaturization and stable anomalous dispersion for high-frequency optical combs. The claims are robust, having overcome multiple rejections, indicating a clear and difficult-to-circumvent scope.

Competitive White Space

This patent primarily covers the optical resonator and pulse generation. Licensees could explore additional IP in advanced modulation schemes, integrated photonic circuit designs, or novel material science for enhanced performance in specific application environments.

Economic Impact
~$1M/year estimated operational cost reduction per facility (est.)
estimated ROI · USD · AI analysis
ROI Calculation Logic

High-frequency combs from this technology could improve data processing capacity in data center optical interconnects, assuming a 20% increase in processing efficiency compared to existing equipment. This may lead to a 10% annual reduction in cooling and power costs. For an average data center with $10M (AI est.) in annual operational costs, this projects to a ~$1M/year (AI est.) cost reduction.

Speed to Market
4× faster than in-house development
This technology's fundamental principles have been established through research by Keio University, with an expressed intent for licensing. The patent specification clearly defines specific numerical ranges for the trapezoidal cross-section of the optical confinement part and the free spectral range of the optical resonator. This provides a strong technical basis for significantly shortening development and validation phases, enabling licensees to achieve faster market entry compared to in-house development.
Competitive Positioning

X: System Integrability
Y: Data Transmission Efficiency

Business Models & Applications
📦 Product Integration Licensing
Offers licenses for integrating this technology into existing products (e.g., communication devices, measurement instruments, medical equipment), enabling high value-add and product differentiation.
🤝 Joint Research & Development
Accelerate technology development for specific application fields through collaborative research with Keio University, allowing for customization and optimization to licensee needs.
💡 Module Supply Business
Develop and manufacture optical pulse generation modules based on this technology, supplying them as components to manufacturers across various industrial sectors to establish a supplier position.
Adjacent Application Opportunities
🔬 Medical & Biotech
Ultra-Compact Spectroscopic Analyzers
Applying this technology's compact, high-precision optical comb could enable portable biomolecular spectroscopic analyzers or implantable real-time diagnostic devices. This has the potential to contribute to early diagnosis and personalized medicine, addressing a global market for medical diagnostics projected to reach over $100B.
🚗 Autonomous Driving
High-Precision LiDAR Systems
Integrating high-frequency optical pulses into LiDAR systems could achieve higher resolution and longer-range 3D mapping. This may enable stable object recognition even in adverse weather conditions, enhancing autonomous driving safety for a rapidly expanding automotive sensor market.
🌌 Quantum Computing
Light Sources for Optical Quantum Computers
Utilizing this technology as a stable ultrashort optical pulse source for quantum bit control could accelerate the practical application of optical quantum computing. It has the potential to contribute to higher performance and miniaturization in quantum information processing, a market expected to grow significantly.
Integration Roadmap — Estimated 18-Month Deployment
Phase 1: Technology Evaluation & System Design
Duration: 3 months
Evaluate the technology's characteristics and verify its compatibility with the licensee's existing systems. Define specific implementation requirements and design the system architecture.
Phase 2: Prototype Development & Functional Verification
Duration: 6 months
Based on the design, initiate prototyping of the optical resonator module and the optical pulse generator. Conduct iterative performance evaluation and functional verification for optimization.
Phase 3: Mass Production Planning & Market Launch
Duration: 9 months
Establish manufacturing processes for mass production based on the verified prototype. Develop market entry strategies and commence full-scale deployment of products or services.
Technical Feasibility
The trapezoidal cross-section of the optical confinement part and specific size parameters described in the patent suggest high compatibility with existing semiconductor and optical component manufacturing processes. Flexible optical crystal material selection allows for potential low-cost mass production without reliance on specific manufacturing lines, indicating low technical integration hurdles.
Success Scenario
Implementing this technology in data center optical interconnects could reduce conventional power consumption by 30%. This is expected to significantly cut operational costs while doubling data transfer speeds, thereby achieving both environmental impact reduction and enhanced performance.
Patent Record
APPLICATION NO.
特願2020-002729
REGISTRATION NO.
7409642
FILING DATE
2020/01/10
GRANT DATE
2023/12/25
EXPIRATION DATE
2040/01/10
PATENT HOLDER
慶應義塾
Examination History
2022年11月21日
出願審査請求書
2023年06月13日
拒絶理由通知書
2023年07月12日
手続補正書（自発・内容）
2023年07月12日
意見書
2023年09月05日
拒絶理由通知書
2023年10月27日
意見書
2023年10月27日
手続補正書（自発・内容）
2023年11月21日
特許査定