Kokubunji, Japan

Kozo Hashimoto

This inventor holds 1 USPTO granted patent. Top assignee: Koyo Seiko Company, Ltd.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kozo Hashimoto. Retrieved from https://idiyas.com/inventor/kozo-hashimoto

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 = 3(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Kozo Hashimoto: Innovator in Cam Follower Technology

Introduction

Kozo Hashimoto is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of cam follower apparatuses. His innovative designs have improved the efficiency and reliability of various mechanical systems.

Latest Patents

One of Hashimoto's key inventions is a cam follower apparatus, which includes a roller and a supporting shaft that allows the roller to rotate freely. The design features unevenness formed on the surface of at least one of the roller and supporting shaft through corrosion by manganese phosphate salt. This unique feature enables the formation of a stable, high-quality oil film with minimal lubricant, even under strict working conditions. As a result, direct metal contact is prevented, enhancing lubricity and overall performance.

Career Highlights

Hashimoto is currently associated with Koyo Seiko Company, Ltd., where he continues to innovate and develop advanced mechanical solutions. His work has garnered attention for its practical applications in various industries, showcasing his expertise in engineering and design.

Collaborations

Throughout his career, Hashimoto has collaborated with fellow inventor Toshiyasu Watanabe. Their partnership has led to advancements in mechanical technologies, further solidifying their impact in the field.

Conclusion

Kozo Hashimoto's contributions to cam follower technology exemplify the importance of innovation in engineering. His patented designs not only enhance mechanical efficiency but also demonstrate the potential for improved lubricity in various applications. His work continues to inspire future advancements in the industry.

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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