Company Filing History:
Years Active: 1991
Title: Nobuyuki Takagishi: Innovator in Network Systems
Introduction
Nobuyuki Takagishi is a prominent inventor based in Hadano, Japan. He is known for his significant contributions to network systems, particularly in the area of hierarchical routing. His innovative approach has led to advancements in how local area networks (LANs) are structured and managed.
Latest Patents
Takagishi holds a patent for a "Network system comprising a plurality of LANs using hierarchical routing." This patent describes a network system where at least one main LAN and multiple sub-LANs are connected hierarchically through bridges. The system assigns unique bridge IDs to ensure efficient communication and management within the network. The first bridges connected to the main LAN are given the smallest bridge IDs, while the second bridges connecting sub-LANs receive higher unique IDs. This structure allows for periodic transmission of control messages to maintain a tree structure in the network, enhancing its resilience and adaptability to changes in topology.
Career Highlights
Nobuyuki Takagishi is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to explore and develop advanced networking solutions that have practical applications in various industries. His expertise in network systems has positioned him as a key figure in the field.
Collaborations
Throughout his career, Takagishi has collaborated with notable colleagues, including Masato Tsukakoshi and Yasuhiro Takahashi. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Nobuyuki Takagishi's contributions to network systems through his patent and work at Hitachi, Ltd. highlight his role as an influential inventor in the field. His innovative approaches continue to shape the future of networking technology.