Ono, Japan

Hirofumi Fujimoto

This inventor holds 5 USPTO granted patents. Top assignees: Kobe Steel, Ltd., Kabushiki Kaisha Kobe Seiko Sho. Active years: 1978-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Fujimoto. Retrieved from https://idiyas.com/inventor/hirofumi-fujimoto-a630ekqp

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 = 5.3

ph-index = 3

Forward Citations = 42(Granted Patents)


Company Filing History:


Years Active: 1978-1987

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5 patents (USPTO):Explore Patents

Title: Hirofumi Fujimoto: Innovator in Powder Metallurgy

Introduction

Hirofumi Fujimoto is a distinguished inventor based in Ono, Japan. He has made significant contributions to the field of powder metallurgy, particularly in the development of high-speed steels. With a total of 5 patents to his name, Fujimoto's work has had a lasting impact on materials science.

Latest Patents

Fujimoto's latest patents include innovations in high hardness and high toughness nitriding powder metallurgical processes. One of his notable patents describes a high-speed steel obtained through powder metallurgy processing, featuring a chemical composition that includes specific weight percentages of carbon, tungsten, molybdenum, and vanadium. This innovative approach enhances the material's performance in various applications.

Career Highlights

Throughout his career, Fujimoto has worked with prominent companies such as Kobe Steel, Ltd. and Kabushiki Kaisha Kobe Seiko Sho. His experience in these organizations has allowed him to refine his expertise in metallurgy and contribute to groundbreaking advancements in the industry.

Collaborations

Fujimoto has collaborated with notable colleagues, including Nobuyasu Kawai and Katuhiko Honma. These partnerships have fostered a creative environment that has led to the development of innovative solutions in the field of materials science.

Conclusion

Hirofumi Fujimoto's contributions to powder metallurgy and high-speed steel development exemplify his dedication to innovation. His patents and collaborations reflect a commitment to advancing materials technology, making him a key figure in his field.

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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