Kawasaki, Japan

Yoshihiko Tokumaru

This inventor holds 2 USPTO granted patents and 1 EPO patent. Top assignees: Fujitsu Corporation, Japan Medical Device Corporation, Ut-Heart Inc.. Active years: 2012-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshihiko Tokumaru. Retrieved from https://idiyas.com/inventor/yoshihiko-tokumaru

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 = 8.6

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2012-2025

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2 patents (USPTO):Explore Patents

Title: The Innovations of Yoshihiko Tokumaru

Introduction

Yoshihiko Tokumaru is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of electronic file systems, showcasing his expertise through his innovative patent.

Latest Patents

Tokumaru holds a patent for an electronic file system, which includes an operating device for receiving input for operations on electronic files and an approval device for approving these operations. The system is designed to manage operations on an electronic file that includes both an operation file and a restriction file. The restriction file indicates conditions that restrict operations on the operation file, ensuring that any actions taken are compliant with established policies. The operating device is equipped with determination means to assess whether the intended operation is permissible based on the restriction conditions. If the operation is restricted, the system transmits an approval request to the designated approval device.

Career Highlights

Yoshihiko Tokumaru is currently employed at Fujitsu Corporation, where he continues to develop innovative solutions in technology. His work has been instrumental in advancing electronic file management systems, contributing to the efficiency and security of data handling.

Collaborations

Some of his coworkers include Masatomo Yasaki and Madoka Mitsuoka, who collaborate with him on various projects within the company.

Conclusion

Yoshihiko Tokumaru's contributions to electronic file systems exemplify the impact of innovation in technology. His patent reflects a commitment to enhancing data management processes, making significant strides in the field.

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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