Tokyo, Japan

Kazuei Hironaka

This inventor holds 19 USPTO granted patents and 8 published patent applications, primarily in Data Storage Management. Top assignees: Hitachi, Ltd., Hitachi Vantara Corporation. Active years: 2018-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuei Hironaka. Retrieved from https://idiyas.com/inventor/kazuei-hironaka

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 94.7

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 2018-2026

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Areas of Expertise:
Data Transfer
Ransomware Detection
Data Backup
Copy Control
QoS Management
Storage Device
Data Migration
Access Control
Volume Replication
Storage Capacity
Cache Management
Storage Controller
19 patents (USPTO):Explore Patents

Title: Kazuei Hironaka: A Pioneer in Innovative Data Storage Solutions

Introduction

Kazuei Hironaka, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of data storage technologies. With a remarkable portfolio of 17 patents, his innovations focus on enhancing the reliability and efficiency of data backup processes in storage systems.

Latest Patents

Among Hironaka's latest patents are two groundbreaking inventions. The first is a "Storage system and data backup processing method in a storage system," designed to back up stored data from on-premise storage devices to cloud services more reliably and efficiently. This innovative storage system involves a process where network conditions in the transfer paths to the public cloud are monitored, allowing for the optimal selection of backup sources—either the first or second storage logical volume based on varying conditions.

The second notable patent is a "Copy control device and copy control method." This invention allows for efficient data copying between various cloud systems, helping to manage duplication between different storage devices. By collecting essential information, Hironaka’s system streamlines the copy process and instructs cloud systems to handle duplicate and remaining data accurately.

Career Highlights

Throughout his career, Kazuei Hironaka has been associated with esteemed organizations, including Hitachi, Ltd. and Hitachi Vantara Corporation. His work in these companies has allowed him to develop and refine his expertise in storage technologies, positioning him as a thought leader in the industry.

Collaborations

During his career, Hironaka has collaborated with notable colleagues, including Akira Deguchi and Kenta Sato. These partnerships have fostered a creative environment that has led to the development of innovative solutions in data storage.

Conclusion

Kazuei Hironaka is a visionary inventor whose work continues to influence the landscape of data storage and backup methodologies. With a commitment to enhancing technology through his patents, Hironaka remains a vital figure in the field, paving the way for future innovations.

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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