Shigemasa Kumagawa is a notable inventor based in Musashino, Japan. He has made significant contributions to the field of communication technology, particularly in multicast transfer systems. With a total of 5 patents to his name, Kumagawa's work has advanced the efficiency and flexibility of data transmission.

Latest Patents

Kumagawa's latest patents include a communication device, a multicast transfer system, and a multicast transfer method. His multicast transfer system is designed to provide route control with excellent flexibility, even in large-scale multicast environments. The system efficiently transfers multicast packets arriving at multiple destinations between multicast communication devices. The packet transfer processing unit of the multicast communication device intelligently directs packets based on specified interfaces, ensuring optimal data flow.

Career Highlights

Kumagawa is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to innovate in the field of telecommunications. His work focuses on enhancing the capabilities of multicast transfer systems, allowing for quick and efficient path switching when necessary. This innovation is crucial for maintaining seamless communication in environments where multiple receivers are involved.

Collaborations

Throughout his career, Kumagawa has collaborated with esteemed colleagues such as Ken Takahashi and Kazuto Toyozumi. These partnerships have fostered a creative environment that has led to groundbreaking advancements in communication technology.

Conclusion

Shigemasa Kumagawa's contributions to multicast transfer systems exemplify his dedication to innovation in communication technology. His patents reflect a commitment to improving data transmission efficiency and flexibility, making a lasting impact in the field.

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