Location History:
- Tokai, JP (1990 - 2012)
- Tokyo, JP (2012 - 2022)
Company Filing History:
7 out of 3,568 
2 out of 1,102 Years Active: 1990-2022
Title: Tatsuya Kumagai: Innovator in Flux-Cored Wire Technology
Introduction
Tatsuya Kumagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of welding technology, particularly through his innovative work on flux-cored wires. With a total of 9 patents to his name, Kumagai has established himself as a key figure in this specialized area of engineering.
Latest Patents
Kumagai's latest patents focus on the development of flux-cored wires and the manufacturing methods for welded joints. One of his notable inventions includes a flux-cored wire that features a steel sheath filled with a specific flux composition. This flux contains fluorides, oxides, and carbonates, with precise percentages that enhance the performance of the welding process. The chemical composition is meticulously designed to ensure optimal results in various welding applications.
Career Highlights
Throughout his career, Tatsuya Kumagai has worked with leading companies in the steel industry, including Nippon Steel Corporation and Nippon Steel & Sumitomo Metal Corporation. His experience in these organizations has allowed him to refine his expertise and contribute to advancements in welding technology.
Collaborations
Kumagai has collaborated with several talented individuals in his field, including Yukio Tomita and Ryota Yamaba. These partnerships have fostered innovation and have led to the successful development of new technologies in welding.
Conclusion
Tatsuya Kumagai's contributions to the field of welding through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, paving the way for future advancements in welding technology.