Mitsuhiro Numata

Title: Mitsuhiro Numata: A Pioneer in Steel Pipe Innovations

Introduction

Mitsuhiro Numata is a notable inventor based in Kamisu, Japan, who has made significant contributions to the field of materials science, particularly in the development of steel pipes with enhanced properties. With a total of seven patents to his name, Numata's work is focused on improving the quality and durability of steel products used in demanding environments.

Latest Patents

Numata's most recent patents highlight his innovative approach to creating steel that can withstand harsh conditions. One of his latest inventions is an oil-well steel pipe having excellent sulfide stress cracking resistance. This invention aims to enhance the reliability of steel pipes used in the oil industry, specifically addressing the challenges posed by sulfide stress cracking. The composition of the steel pipe includes specific percentages of carbon, silicon, manganese, chromium, molybdenum, titanium, niobium, aluminum, phosphorus, sulfur, nitrogen, and oxygen, ensuring superior performance in demanding applications.

Another notable patent involves the development of a steel specifically designed for tubes with excellent sulfide stress cracking resistance. This steel composition includes a combination of elements in precise ratios that promote durability while simultaneously satisfying multiple characteristics necessary for successful implementation in tough environments. Key features include controlled amounts of magnesium and the unique morphology of inclusions, which contribute to the steel's reliability and strength.

Career Highlights

Throughout his career, Mitsuhiro Numata has worked with prominent companies in the steel industry, including Sumitomo Metal Industries, Inc. and Nippon Steel & Sumitomo Metal Corporation. His experience in these leading organizations has bolstered his expertise in steel production and innovation, allowing him to develop materials that meet the rigorous demands of modern industries.

Collaborations

Numata has collaborated with esteemed colleagues in his field, including Tomohiko Omura and Yoshihiko Higuchi. These collaborations have facilitated the exchange of ideas and accelerated the development of innovative solutions in steel manufacturing, showcasing the importance of teamwork in advancing technology.

Conclusion

Mitsuhiro Numata’s contributions to the field of steel technology, particularly with his patents focusing on improving the properties of steel pipes, mark him as a significant inventor in the industry. His work not only enhances the durability and safety of materials used in oil extraction but also reflects a commitment to scientific advancement in engineering. As industries continue to evolve, the innovations brought forth by inventors like Numata will play a crucial role in shaping the future of materials science.