Itabashi, Japan

Sumihiko Yagenji

This inventor holds 2 USPTO granted patents. Top assignee: Kokoku Intech Co., Ltd.. Active years: 2001-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumihiko Yagenji. Retrieved from https://idiyas.com/inventor/sumihiko-yagenji

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 = 2.4

ph-index = 2

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 2001-2003

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2 patents (USPTO):Explore Patents

Title: Innovations by Sumihiko Yagenji

Introduction

Sumihiko Yagenji is a notable inventor based in Itabashi-ku, Japan. He has made significant contributions to the field of hard disk drive technology, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Yagenji's latest patents include a cover for a hard disk drive and a gasket for hard disk drive unit use. The cover invention aims to prevent the outflow of damping resin material and the loosening of screws that fix the cover to a storage-enclosing case. This is achieved through a laminated plate design that incorporates a damping resin member, ensuring a secure fit and preventing material flow. The gasket invention focuses on preventing leakage from the interior of an HDD unit to the external environment. It integrates a gasket member into a single constituent with the cover, simplifying the manufacturing process and reducing assembly steps.

Career Highlights

Yagenji is currently employed at Kokoku Intech Co., Ltd., where he continues to develop innovative solutions in the technology sector. His work has contributed to advancements in hard disk drive design and functionality.

Collaborations

Some of his coworkers include Takahiro Kunikane and Takuya Funatsu, who collaborate with him on various projects within the company.

Conclusion

Sumihiko Yagenji's contributions to hard disk drive technology through his patents reflect his dedication to innovation and improvement in the field. His work continues to influence the industry and enhance the performance of storage devices.

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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