Tetsuro Sugayoshi

Title: Tetsuro Sugayoshi: Innovator in Steel Pipe Technology

Introduction

Tetsuro Sugayoshi is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of high-strength electric-resistance-welded steel pipes. With a total of 2 patents, his work has implications for various industries, including automotive manufacturing.

Latest Patents

Sugayoshi's latest patents focus on electric-resistance-welded steel pipes with high strength. The first patent describes a steel pipe that consists essentially of 0.05 to 0.30 wt. % carbon, 0.6 to 2.0 wt. % manganese, 0.03 to 0.70 wt. % silicon, and 0.01 to 0.05 wt. % niobium. This innovative pipe has a martensitic phase ratio of 60 to 100% and a tensile strength ranging from 120 to 170 kgf/mm². The second patent also details a similar electric-resistance-welded steel pipe, emphasizing the composition of various elements, including molybdenum and vanadium, which enhance its strength and utility as an impact bar for automobile doors.

Career Highlights

Tetsuro Sugayoshi is currently employed at NKK Corporation, where he continues to advance his research and development efforts. His work has positioned him as a key figure in the field of steel manufacturing, particularly in creating materials that meet the demanding requirements of modern engineering applications.

Collaborations

Throughout his career, Sugayoshi has collaborated with esteemed colleagues such as Tatsuo Maeda and Toshihiro Takamura. These partnerships have fostered innovation and have contributed to the successful development of his patented technologies.

Conclusion

Tetsuro Sugayoshi's contributions to the field of high-strength steel pipes exemplify the importance of innovation in engineering. His patents not only enhance the performance of materials used in automotive applications but also reflect his commitment to advancing technology in the industry.