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For the Inventor, By the Inventor

Yawata, Japan

Takeo Matsui

This inventor holds 2 USPTO granted patents. Top assignee: Osaka Gas Company Limited. Active years: 2004-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Matsui. Retrieved from https://idiyas.com/inventor/takeo-matsui-6hi3j8sb

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

Calculating rank
USPTO Granted Patents = 2

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 73(Granted Patents)


Company Filing History:

goldMedal2 out of 353 
 
Osaka Gas Company Limited
 patents

Years Active: 2004-2005

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2 patents (USPTO):Explore Patents
1. 6916434 - Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the same (2005-07-12),
2. 6835330 - Iron-carbon composite, carbonaceous material comprising said iron-carbon composite and process for preparing the same (2004-12-28),

Title: Takeo Matsui: Innovator in Iron-Carbon Composites

Introduction

Takeo Matsui is a prominent inventor based in Yawata, Japan. He has made significant contributions to the field of materials science, particularly in the development of iron-carbon composites. With a total of 2 patents to his name, Matsui's work has implications for various applications, including electron emitting materials.

Latest Patents

Matsui's latest patents focus on an innovative iron-carbon composite. This composite is characterized by 10 to 90% of the internal space of a nanoflake carbon tube or a nested multi-walled carbon nanotube being filled with iron carbide or iron. The carbonaceous material that contains such iron-carbon composites is also detailed in his patents. The process for preparing this composite is outlined, showcasing its utility in electron emitting materials and other applications.

Career Highlights

Matsui is associated with Osaka Gas Company Limited, where he continues to advance his research and development efforts. His work has garnered attention for its potential applications in various industries, particularly in enhancing material properties.

Collaborations

Matsui has collaborated with notable colleagues, including Hitoshi Nishino and Haruyuki Nakaoka. These partnerships have contributed to the innovative research and development of new materials.

Conclusion

Takeo Matsui's contributions to the field of iron-carbon composites highlight his role as an influential inventor. His patents reflect a commitment to advancing material science, with promising applications in technology and 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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