Chofu, Japan

Hirosi Nagai

This inventor holds 6 USPTO granted patents. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1982-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirosi Nagai. Retrieved from https://idiyas.com/inventor/hirosi-nagai

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 = 1.6

ph-index = 6

Forward Citations = 198(Granted Patents)


Company Filing History:


Years Active: 1982-1990

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6 patents (USPTO):Explore Patents

Title: Hirosi Nagai: Innovator in Implant Materials

Introduction

Hirosi Nagai is a prominent inventor based in Chofu, Japan, known for his significant contributions to the field of implant materials. With a total of six patents to his name, he has made remarkable advancements that enhance biocompatibility and mechanical properties in medical applications.

Latest Patents

Nagai's latest patents include a novel implant material that exhibits excellent biocompatibility, stability in the living body, and superior mechanical properties. This innovative material comprises a metallic component surrounded by a layer of thermosetting resin or a composition that includes both thermosetting resin and hydroxyapatite. Another notable patent focuses on an implant material characterized by continuous and two-dimensional pores. This ceramic material, made of hydroxyapatite, is particularly useful as a substitute for bones in surgical and orthopedic fields, as well as a filling material in dental and oral surgery. The process for producing this implant material is also detailed in his patent.

Career Highlights

Throughout his career, Hirosi Nagai has worked with Kureha Chemical Industry Co., Ltd., where he has contributed to various innovative projects. His work has significantly impacted the development of advanced materials used in medical applications.

Collaborations

Nagai has collaborated with notable colleagues, including Yasushi Nishimura and Kensuke Okuda, who have played essential roles in his research and development efforts.

Conclusion

Hirosi Nagai's contributions to the field of implant materials demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and its applications in medicine, paving the way for 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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