Harutosi Kubota

Title: Harutosi Kubota: Innovator in Welding Technology

Introduction

Harutosi Kubota is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of welding technology, particularly through his innovative patent related to gas shielded arc-welding flux cored wire. His work has implications for various industries that rely on advanced welding techniques.

Latest Patents

Harutosi Kubota holds a patent for a gas shielded arc-welding flux cored wire. This invention features a steel-made sheath filled with flux, which enhances the welding process. The flux cored wire contains specific percentages of materials, including 1.0% or more Si-Mn ferroalloy powder, 2.0 to 7.0% TiO2, 0.2 to 1.5% SiO2, 0.1 to 1.2% ZrO2, and 0.01 to 0.3% fluoride. The composition of the powder includes 0.40 to 1.20% C, 5 to 12% Si, 19 to 42% Mn, and the balance of Fe, adhering to a specific equation for optimal performance.

Career Highlights

Harutosi Kubota is associated with Nippon Steel Welding Products and Engineering Co., Ltd., where he applies his expertise in welding technology. His innovative approach has led to advancements in the efficiency and effectiveness of welding processes.

Collaborations

Throughout his career, Harutosi Kubota has collaborated with notable colleagues, including Masao Kamada and Rikiya Takayama. These collaborations have contributed to the development of cutting-edge welding solutions.

Conclusion

Harutosi Kubota's contributions to welding technology through his patent demonstrate his commitment to innovation in the field. His work continues to influence the industry and improve welding practices.