Tokyo, Japan

Kazuhiko Adachi

This inventor holds 9 USPTO granted patents and 2 published patent applications and 9 EPO patents. Top assignees: Shiseido Company, Limited, Nippon Steel Corporation, Nippon Steel Sumitomo Metal Corporation. Active years: 2000-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Adachi. Retrieved from https://idiyas.com/inventor/kazuhiko-adachi-60bdgmso

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 100.0

 

Average Co-Inventor Count = 2.7

ph-index = 7

Forward Citations = 327(Granted Patents)


Company Filing History:


Years Active: 2000-2022

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9 patents (USPTO):Explore Patents

Title: Kazuhiko Adachi – Innovator in Stainless Steel Technology

Introduction

Kazuhiko Adachi, located in Tokyo, Japan, is a notable inventor recognized for his contributions to the field of stainless steel technology. With a remarkable portfolio of 9 patents, Adachi has focused on enhancing the properties and applications of stainless steel, leading to innovations that benefit various industries.

Latest Patents

Adachi's latest patents include advancements in austenitic stainless steel, characterized by its unique chemical composition. The patented alloy comprises carbon (C), silicon (Si), manganese (Mn), chromium (Cr), nickel (Ni), nitrogen (N), niobium (Nb), titanium (Ti), and vanadium (V). The innovative austenitic stainless steel exhibits an average grain size of 10.0 µm or less and demonstrates specific diffraction peak integrated intensity ratios that enhance its structural integrity.

Another significant patent focuses on a martensitic mixed-phase stainless steel, designed to achieve a balance between strength, formability, and fatigue resistance. This material, comprising a carefully calibrated chemical composition of carbon, silicon, manganese, chromium, and nitrogen, offers valuable properties for applications in spring members and other demanding environments.

Career Highlights

Adachi's career has been marked by his association with leading companies such as Shiseido Company, Limited and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has significantly shaped his expertise in materials science and engineering, driving his innovative efforts in stainless steel development.

Collaborations

Throughout his career, Adachi has collaborated with esteemed colleagues, including Chieko Yamamoto and Eriko Misawa. These partnerships have fostered a collaborative environment that encourages the exchange of ideas, thus enhancing the inventive process and leading to advancements in their shared fields.

Conclusion

Kazuhiko Adachi's contributions to stainless steel technology exemplify the spirit of innovation in materials science. With a comprehensive understanding of the properties of stainless steel, coupled with a wealth of experience from his career and collaborations, Adachi continues to pave the way for advancements that will have a lasting impact on various industries.

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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