Company Filing History:
Years Active: 2025
Title: Kazuma Kumagai: Innovator in Arc Welding Technology
Introduction
Kazuma Kumagai is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of welding technology, particularly through his innovative patent related to solid wire for arc welding use. His work exemplifies the intersection of engineering and practical application in industrial processes.
Latest Patents
Kumagai holds a patent for a solid wire designed specifically for arc welding applications. This innovative wire comprises a steel material with a copper plating layer on its surface. The patent details that the amount of copper in both the steel material and the copper plating layer ranges from 0.05 mass % to 0.30 mass % of the total mass of the wire. Additionally, the wire's surface is coated with 0.05 g to 0.20 g of oil per 1 kg of wire. The patent also specifies the surface roughness of the copper plating layer, with an arithmetic average roughness in the circumferential direction of 0.25 μm to 1.00 μm, and in the longitudinal direction of 0.07 μm to 0.50 μm. This patent showcases Kumagai's commitment to enhancing the performance and efficiency of welding materials.
Career Highlights
Kazuma Kumagai is currently employed at Kobe Steel, Ltd., a leading company in the steel and welding industry. His role at the company allows him to apply his innovative ideas and contribute to advancements in welding technology. His expertise and dedication have positioned him as a valuable asset in his field.
Collaborations
Kumagai collaborates with Kazuya Ikai, a fellow innovator in the industry. Together, they work on projects that aim to improve welding techniques and materials, furthering the development of efficient and effective solutions in the welding sector.
Conclusion
Kazuma Kumagai's contributions to arc welding technology through his innovative patent reflect his expertise and commitment to advancing the field. His work at Kobe Steel, Ltd. and collaboration with Kazuya Ikai highlight the importance of teamwork in driving innovation. Overall, Kumagai's achievements serve as an inspiration for future inventors in the welding industry.