Tokyo, Japan

Hidefumi Natsume

This inventor holds 1 USPTO granted patent. Top assignee: Nec Corporation. Active years: 2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidefumi Natsume. Retrieved from https://idiyas.com/inventor/hidefumi-natsume

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2008

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Hidefumi Natsume and His Contributions to Networking Technology

Introduction: Hidefumi Natsume, based in Tokyo, Japan, is an accomplished inventor known for his significant contributions to networking technology. With a keen eye for innovation, Natsume has developed a unique solution that enhances communication between different layer networks through his inventive approach to VLAN tagging.

Latest Patents: Natsume holds a patent for a "Layer 2 switch and method of processing expansion VLAN tag of layer 2 frame." This invention introduces a layer switch that enables communication across various layer networks by rewriting an expansion VLAN tag. This process ensures that frames can be accurately directed to their desired destinations, offering similar benefits as the application of expansion VLAN tags through multiple stages.

Career Highlights: Throughout his career at NEC Corporation, a leading player in the technology sector, Natsume has demonstrated his technical prowess and dedication to advancing networking solutions. His work has undoubtedly positioned him as a key figure within the organization and the broader field of telecommunications.

Collaborations: In his innovative journey, Natsume has collaborated closely with his coworker, Yasutaka Yamashita. Their joint efforts and expertise in networking technology have undoubtedly contributed to the advancements seen in their field.

Conclusion: Hidefumi Natsume's contributions to the world of technology, especially in networking solutions, underscore the impact of innovative thinking in improving communication systems. His patent represents a significant step forward in the field, demonstrating the importance of collaboration and creativity in addressing complex technological challenges.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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