Tomonori Hirai

Title: Tomonori Hirai: Innovator in Network Technology

Introduction

Tomonori Hirai is a prominent inventor based in Fremont, CA, known for his contributions to network technology. With a total of 6 patents, he has made significant advancements in the field, particularly in clustering systems and multi-processor synchronization.

Latest Patents

Hirai's latest patents include a "Flexible network switch fabric for clustering system." This innovation provides a network switch fabric designed to enhance flexibility in network-related interconnections and scalability of systems. The fabric features replaceable network switches and interfaces that can be selectively configured on a base board. It supports multiple interconnection protocols, allowing for a common infrastructure that can adapt to various needs. Additionally, a pass-through card can connect directly to an external network, enabling large-scale cluster computing.

Another notable patent is the "Synchronization clocking scheme for small scalable multi-processor system." This clocking scheme synchronizes the system clock across multiple independent Symmetric Multi-Processing (SMP) domains. Each domain connects through an interconnection board with identical connectors. The scheme includes a dedicated clock source and a Select Phase-Locked Loop (SPLL) to ensure consistent clocking across the system. The design balances electrical characteristics and minimizes skew or propagation delay by maintaining equal lengths in the clock paths.

Career Highlights

Tomonori Hirai is currently employed at Mitac International Corporation, where he continues to innovate and develop cutting-edge technologies. His work has significantly impacted the efficiency and scalability of network systems.

Collaborations

Hirai collaborates with talented individuals such as Jyh Ming Jong and Mario J D Lee, contributing to a dynamic and innovative work environment.

Conclusion

Tomonori Hirai's contributions to network technology through his patents demonstrate his expertise and commitment to innovation. His work continues to influence the development of scalable and efficient systems in the tech industry.