Yokohama, Japan

Fuyuhiko Kajiyama

This inventor holds 1 USPTO granted patent. Top assignees: Nippon Kokan Kabushiki Kaisha, Yushiro Chemical Industry Co., Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fuyuhiko Kajiyama. Retrieved from https://idiyas.com/inventor/fuyuhiko-kajiyama

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 = 10.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Fuyuhiko Kajiyama: Innovator in Hot-Rolling Lubricants

Introduction

Fuyuhiko Kajiyama is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of lubrication technology, particularly in the production of seamless steel pipes. His innovative approach has led to the development of a unique water-dispersion lubricant that enhances the hot-rolling process.

Latest Patents

Kajiyama holds a patent for a water-dispersion lubricant that combines graphite, particulate resin, and high molecular acid. This lubricant is designed for use in hot-rolling applications, specifically for seamless steel pipes. The formulation includes fine graphite powder, a water-insoluble fine particulate synthetic resin, and water, with the option of adding fine gilsonite powder. This lubricant is effective even at high temperatures ranging from 100°C to 400°C, ensuring a uniform and thick coating film on the mandrel bar, which significantly improves lubrication performance during the hot-rolling process.

Career Highlights

Throughout his career, Fuyuhiko Kajiyama has worked with prominent companies in the industry. He has been associated with Nippon Kokan Kabushiki Kaisha and Yushiro Chemical Industry Co., Ltd. His work in these organizations has allowed him to apply his innovative ideas and contribute to advancements in lubrication technology.

Collaborations

Kajiyama has collaborated with notable individuals in his field, including Noboru Kanda and Hiroo Hosono. These collaborations have further enriched his work and have led to the development of effective solutions in the lubrication sector.

Conclusion

Fuyuhiko Kajiyama's contributions to the field of lubrication technology, particularly through his patented water-dispersion lubricant, demonstrate his innovative spirit and commitment to enhancing industrial processes. His work continues to influence the production of seamless steel pipes and sets a standard for future developments 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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