Kobe, Japan

Kasumi Yanagisawa

This inventor holds 3 USPTO granted patents and 5 published patent applications and 2 EPO patents. Top assignee: Kobe Steel, Ltd.. Active years: 2008-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kasumi Yanagisawa. Retrieved from https://idiyas.com/inventor/kasumi-yanagisawa

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

USPTO Granted Patents = 3 

 

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 2008-2019

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3 patents (USPTO):Explore Patents

Title: Innovations by Kasumi Yanagisawa

Introduction

Kasumi Yanagisawa is a prominent inventor based in Kobe, Japan. She has made significant contributions to the field of materials science, particularly in the development of advanced magnetic and fuel cell technologies. With a total of 3 patents, her work has garnered attention for its innovative approaches and practical applications.

Latest Patents

Yanagisawa's latest patents include an iron-based soft magnetic powder for dust cores and a titanium material for fuel cell separators. The iron-based soft magnetic powder is designed to have a high magnetic flux density while maintaining excellent electric insulation and mechanical strength. This is achieved through a phosphate conversion coating film that enhances its properties. The second patent focuses on a titanium alloy substrate for fuel cells, which incorporates noble metals to reduce contact resistance, thereby improving the efficiency of fuel cell operations.

Career Highlights

Kasumi Yanagisawa is currently employed at Kobe Steel, Ltd., where she continues to push the boundaries of innovation in materials technology. Her work has not only advanced the understanding of magnetic materials but has also contributed to the development of more efficient energy solutions.

Collaborations

Throughout her career, Yanagisawa has collaborated with notable colleagues, including Takeshi Ohwaki and Kozo Saiki. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise.

Conclusion

Kasumi Yanagisawa's contributions to the field of materials science exemplify the impact of innovative thinking in technology. Her patents reflect a commitment to advancing both magnetic and fuel cell technologies, making her a key figure in her 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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