Chiba, Japan

Tadamasa Yamaguchi

This inventor holds 3 USPTO granted patents. Top assignee: Kawasaki Steel Corporation. Active years: 1984-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadamasa Yamaguchi. Retrieved from https://idiyas.com/inventor/tadamasa-yamaguchi

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Yotsukaido, JP (1984)
  • Chiba, JP (1991 - 1992)

Company Filing History:


Years Active: 1984-1992

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3 patents (USPTO):Explore Patents

Title: Tadamasa Yamaguchi: Innovator in Welding Technology

Introduction

Tadamasa Yamaguchi is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of welding technology, holding a total of 3 patents. His innovative approaches have enhanced the efficiency and effectiveness of welding processes.

Latest Patents

Yamaguchi's latest patents include a high-efficiency fillet welding method for steel plates. This method allows for T-shape fillet welding of thick steel webs without edge preparation, utilizing a leading and trailing electrode composed of specific wire diameters and carbon content. Another significant patent is a method of submerged arc welding for thick steel plates, which involves a multi-angle groove and a specialized flux composition. These advancements demonstrate his commitment to improving welding techniques and materials.

Career Highlights

Yamaguchi is associated with Kawasaki Steel Corporation, where he has applied his expertise in welding technology. His work has been instrumental in developing methods that enhance the quality and efficiency of welding operations. His contributions have been recognized within the industry, showcasing his role as a leading innovator.

Collaborations

Throughout his career, Yamaguchi has collaborated with notable coworkers such as Fumimaru Kawabata and Atsushi Shiga. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tadamasa Yamaguchi's contributions to welding technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the industry, paving the way for future advancements in welding techniques.

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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