Fukuyama, Japan

Tetsuo Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Nippon Kokan Kabushiki Kaisha. Active years: 1979.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Yamaguchi. Retrieved from https://idiyas.com/inventor/tetsuo-yamaguchi-dlbrdmx9

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 = 1

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 1979

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1 patent (USPTO):Explore Patents

Title: Tetsuo Yamaguchi: Innovator in Arc Welding Technology

Introduction

Tetsuo Yamaguchi is a notable inventor based in Fukuyama, Japan. He has made significant contributions to the field of welding technology, particularly through his innovative methods that enhance the quality and durability of welded structures.

Latest Patents

Yamaguchi holds a patent for a "Method of arc welding with reverse side cooling for obtaining highly." This arc welding method is designed for the manufacture of welded steel pipes. In this process, the edges of a steel plate bent into a pipe shape are welded together on one side to form a pipe. Subsequently, the seam line of the formed pipe is welded by a second operation on the opposite side of the initial weld. During this second welding, forced cooling is applied from the side of the first weld. This technique compensates for physical effects that occur during welding and significantly enhances the toughness of both the weld metal and the heat-affected zone. Yamaguchi's innovative approach has the potential to improve the performance and longevity of welded steel pipes.

Career Highlights

Tetsuo Yamaguchi has dedicated his career to advancing welding technologies. His work at Nippon Kokan Kabushiki Kaisha has allowed him to collaborate with other experts in the field and contribute to the development of more efficient welding methods. His patent reflects his commitment to innovation and quality in manufacturing processes.

Collaborations

Yamaguchi has worked alongside notable colleagues such as Kiyoteru Hirabayashi and Tadaaki Taira. Their collaborative efforts have furthered advancements in welding technology and have contributed to the success of their projects.

Conclusion

Tetsuo Yamaguchi's contributions to arc welding technology exemplify the importance of innovation in manufacturing. His patented method not only enhances the quality of welded steel pipes but also showcases the potential for improved durability in industrial applications.

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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