Tokyo, Japan

Seishi Tsuyama

This inventor holds 7 USPTO granted patents and 1 EPO patent. Top assignees: Nkk Corporation, Jfe Steel Corporation. Active years: 1991-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seishi Tsuyama. Retrieved from https://idiyas.com/inventor/seishi-tsuyama

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 = 4.0

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Kawasaki, JP (1991 - 1994)
  • Okayama, JP (2007)
  • Tokyo, JP (1991 - 2019)

Company Filing History:


Years Active: 1991-2019

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7 patents (USPTO):Explore Patents

Title: Seishi Tsuyama: Innovator in Steel Technology

Introduction

Seishi Tsuyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of steel technology, holding a total of 7 patents. His work focuses on improving the properties and manufacturing processes of steel materials.

Latest Patents

Among his latest patents, Tsuyama has developed a steel plate for thick-walled steel pipes and a method for manufacturing the same. This steel plate features a specific chemical composition that enhances its strength and durability. Additionally, he has patented a method and device for cooling steel sheets, which ensures uniform cooling during the manufacturing process.

Career Highlights

Throughout his career, Seishi Tsuyama has worked with notable companies such as NKK Corporation and JFE Steel Corporation. His experience in these organizations has allowed him to refine his expertise in steel manufacturing and innovation.

Collaborations

Some of his coworkers include Yoshihiro Hosoya and Kuninori Minakawa. Their collaboration has contributed to advancements in steel technology and manufacturing processes.

Conclusion

Seishi Tsuyama's innovative work in steel technology has led to significant advancements in the industry. His patents reflect a commitment to improving the quality and efficiency of steel production.

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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