Kagawa, Japan

Masatoshi Yamaji

This inventor holds 5 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignee: Toyo Tanso Co., Ltd.. Active years: 2000-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatoshi Yamaji. Retrieved from https://idiyas.com/inventor/masatoshi-yamaji

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

USPTO Granted Patents = 5 

% Patents Active = 80.0

 

Average Co-Inventor Count = 4.9

ph-index = 2

Forward Citations = 24(Granted Patents)


Location History:

  • Kagawa, JP (2000 - 2002)
  • Mitoyo-gun, JP (2004)
  • Mitoyo, JP (2016)

Company Filing History:


Years Active: 2000-2016

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5 patents (USPTO):Explore Patents

Title: Masatoshi Yamaji: Innovator in High-Temperature Gas Reactor Technology

Introduction

Masatoshi Yamaji is a prominent inventor based in Kagawa, Japan. He has made significant contributions to the field of high-temperature gas reactors and materials used in advanced manufacturing processes. With a total of 5 patents, his work has been instrumental in enhancing safety and efficiency in various applications.

Latest Patents

One of Yamaji's latest patents is a control rod for high-temperature gas reactors. This innovative control rod is designed to maintain the integrity of the joining state between its elements, even under stress. It significantly improves the safety of high-temperature gas reactors by enhancing their heat resistance. The design features a plurality of control rod elements, each containing a neutron absorber, arranged in a double cylindrical tubular shape. A columnar support member is included to support the neutron absorber, ensuring stability and reliability.

Another notable patent is for a crucible made of carbon fiber-reinforced carbon composite material, specifically designed for single crystal pulling apparatus. This crucible is constructed with multiple layers wound using a filament winding method. The design minimizes detachment and deformation of carbon fibers during use, thereby improving the performance and longevity of the crucible in high-temperature applications.

Career Highlights

Yamaji is currently employed at Toyo Tanso Co., Ltd., where he continues to innovate and develop advanced materials and technologies. His expertise in high-temperature applications has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Yamaji has collaborated with notable colleagues, including Toshiharu Hiraoka and Teruhisa Kondo. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Masatoshi Yamaji's contributions to the field of high-temperature gas reactors and advanced materials are noteworthy. His innovative patents reflect a commitment to safety and efficiency in engineering applications. As he continues to work at Toyo Tanso Co., Ltd., his impact on the industry is expected to grow.

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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