This inventor holds 3 USPTO granted patents and 10 published patent applications and 5 EPO patents. Top assignees: Jfe Steel Corporation, Kawasaki Jukogyo Kabushiki Kaisha. Active years: 2025-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:


Years Active: 2025-2026
Introduction
Daiki Yamagishi, an inventive mind based in Tokyo, Japan, has made significant strides in the field of welding technology. As a dedicated member of JFE Steel Corporation, he has contributed to the development of innovative techniques that enhance the efficiency and quality of metal processing.
Latest Patents
Daiki Yamagishi holds a patent for a "Rotating tool for double-sided friction stir welding, double-sided friction stir welding apparatus, and double-sided friction stir welding method." This invention discloses rotating tools specifically designed for double-sided friction stir welding, a technique that welds two metal plates together using a pair of rotating tools that oppose each other. The tools rotate in opposite directions, effectively joining metal plates while ensuring strength and durability. Notably, the end portions of the rotating tools are crafted from a material that is harder than the plates being welded, improving the welding performance and lifespan of the tools.
Career Highlights
Working at JFE Steel Corporation, Daiki has been involved in pioneering advancements in welding processes. His focus on double-sided friction stir welding has positioned him at the forefront of innovative practices within the steel industry, contributing to increased productivity and reduced costs in manufacturing.
Collaborations
Throughout his career, Daiki has collaborated with notable colleagues such as Muneo Matsushita and Rinsei Ikeda. These partnerships have fostered an environment of innovation, enabling the exchange of ideas and expertise that drive forward-thinking solutions in welding technology.
Conclusion
Daiki Yamagishi exemplifies the spirit of innovation within the welding sector. With his groundbreaking patent and collaborative spirit, he continues to push the boundaries of what is possible in metal welding. His contributions will undoubtedly influence the future of welding technologies and inspire new developments in this vital industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile