Kawasaki, Japan

Jun Nakagawa

This inventor holds 2 USPTO granted patents. Top assignees: Fujitsu Corporation, Fujitsu Limied. Active years: 1997-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun Nakagawa. Retrieved from https://idiyas.com/inventor/jun-nakagawa-igvoooi8

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


% Patents Active = 50.0

Average Co-Inventor Count = 1.7

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1997-2011

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2 patents (USPTO):Explore Patents

Title: Innovations by Jun Nakagawa

Introduction

Jun Nakagawa is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of technology, particularly in server systems and program cache apparatus. With a total of two patents to his name, Nakagawa's work has had a considerable impact on the efficiency and reliability of computing systems.

Latest Patents

One of Nakagawa's latest patents is a cluster system and node switching method. This invention addresses the issue of server node failures in a cluster system. When a first server node fails, a client node device transmits failure detection information to a second server node device. Upon receiving this information, the second server node device sends a survival confirmation request to the first server node device. If no response is received, the second server node device determines that the first server node has failed and initiates switching control to ensure service continuity. Additionally, Nakagawa has developed a program cache apparatus that associates the physical address of a program with a logical address in a program cache space. This innovation allows a central processing unit to access programs more efficiently without the need for copying physical pages for address alterations.

Career Highlights

Throughout his career, Jun Nakagawa has worked with prominent companies, including Fujitsu Corporation and Fujitsu Limited. His experience in these organizations has allowed him to refine his skills and contribute to various technological advancements.

Collaborations

Nakagawa has collaborated with talented individuals such as Takahiro Kojima and Ryuji Maruyama. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Jun Nakagawa's contributions to technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in server systems and program management.

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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