Omiya, Japan

Saburo Hanafusa

This inventor holds 1 USPTO granted patent. Top assignees: Mitsuya Seiko Co. Ltd., Oiles Industry Co., Ltd.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Saburo Hanafusa. Retrieved from https://idiyas.com/inventor/saburo-hanafusa

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 = 2.0

ph-index = 1

Forward Citations = 113(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: The Innovations of Saburo Hanafusa

Introduction

Saburo Hanafusa is a notable inventor based in Ohmiya, Japan. He is recognized for his contributions to the field of sliding members, particularly in enhancing their lubricating performance and wear resistance. His innovative approach has led to the development of a unique sliding member that combines a thin steel sheet with a sintered metal layer.

Latest Patents

Hanafusa holds 1 patent for his invention titled "Sliding member." This invention features a sliding member that is significantly improved in terms of lubricating performance, wear resistance, and strength. The design incorporates a thin steel sheet or plate with a sintered metal layer that primarily consists of copper, along with tin, nickel, phosphorus, graphite, and optionally iron. This combination results in a sliding member that maintains excellent performance even under heavy loads and impact.

Career Highlights

Throughout his career, Saburo Hanafusa has worked with prominent companies such as Oiles Industry Co., Ltd. and Mitsuya Seiko Co., Ltd. His experience in these organizations has contributed to his expertise in the development of advanced materials and components.

Collaborations

Hanafusa has collaborated with various professionals in his field, including his coworker Shinji Yamada. Their joint efforts have furthered the advancements in sliding member technology.

Conclusion

Saburo Hanafusa's innovative work in the field of sliding members showcases his dedication to improving performance and durability in engineering applications. His contributions continue to influence the industry and inspire 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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