Iwata, Japan

Eiji Ohsugi

This inventor holds 2 USPTO granted patents. Top assignee: Ntn Corporation. Active years: 1996-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Ohsugi. Retrieved from https://idiyas.com/inventor/eiji-ohsugi

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 2

Forward Citations = 21(Granted Patents)


Company Filing History:


Years Active: 1996-1999

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2 patents (USPTO):Explore Patents

Title: Eiji Ohsugi: Innovator in Roller Bearing Technology

Introduction

Eiji Ohsugi is a notable inventor based in Iwata, Japan. He has made significant contributions to the field of roller bearing technology, holding 2 patents that showcase his innovative approach to engineering.

Latest Patents

Ohsugi's latest patents include a "Cage for Roller Bearings and Method for Manufacturing the Same." This invention addresses the common issues of fretting and abnormal noise in roller bearings. The cage is designed to be manufactured at a low cost and can be easily mounted within the bearing. The manufacturing process involves bending a metal sheet with pockets into a ring shape, temporarily joining its ends, heat-treating the ring to remove stress, and then separating the temporarily joined portion. This design allows the cage to rotate slower than the raceway members on the driving side of the bearing, effectively reducing fretting. Additionally, this cage is suitable for use under high-temperature conditions.

Career Highlights

Eiji Ohsugi is currently employed at NTN Corporation, where he continues to develop innovative solutions in the field of bearings. His work has been instrumental in advancing the technology used in various applications.

Collaborations

Ohsugi has collaborated with notable colleagues such as Kazuyoshi Harimoto and Tsutomu Hashimoto. Their combined expertise has contributed to the successful development of new technologies in the industry.

Conclusion

Eiji Ohsugi's contributions to roller bearing technology demonstrate his commitment to innovation and engineering excellence. His patents reflect a deep understanding of the challenges faced in this field and offer practical solutions that enhance performance and reliability.

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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